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[Ornithology • 2017] Myzomela irianawidodoae • A Colourful New Species of Myzomela Honeyeater from Rote Island in eastern Indonesia ---ScRaBBlE

Myzomela irianawidodoae Prawiradilaga, Baveja, Suparno, Ashari, Ng, Gwee, Verbelen & Rheindt, 2017  photo:   Philippe Verbelen  e-journ...

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Showing posts with label Non-Passeriformes. Show all posts
Showing posts with label Non-Passeriformes. Show all posts

Wednesday, March 20, 2019

[Ornithology • 2017] Campylopterus calcirupicola • A Cryptic New Species of Hummingbird of the Campylopterus largipennis complex (Aves: Trochilidae) ---ScRaBBlE


Dry-forest Sabrewing | Campylopterus calcirupicola 
Lopes, de Vasconcelos & Gonzaga, 2017


FIGURE 7. The newly described Campylopterus calcirupicola from eastern Brazilian tropical dry forests.  
watercolor painting by Walter Gam ||  DOI:  10.11646/zootaxa.4268.1.1 

Abstract

A new species of Campylopterus sabrewing is described from eastern Brazilian tropical dry forests occurring below 900 m asl. Its holotype (MZUSP 99024) is an adult female from Sítio Duboca (16°43’19’’S, 43°58’20’’W, elevation 840 m), municipality of Montes Claros, state of Minas Gerais. A taxonomic revision based on more than 1,000 museum specimens revealed that the new taxon, together with C. largipennis, C. diamantinensis and C. obscurus (with C. aequatorialis considered as a subjective junior synonym) should be ranked as species. We provide a key to permit easy identification of the four species. The new species is very similar to the parapatric C. diamantinensis of high altitude “campos rupestres” above 1,000 m asl, differing from it by its smaller size and longer light tail tips, as well as by sternum measurements. Given the several threats faced by the habitat to which the new species is endemic, we propose to consider it as Vulnerable under the IUCN criteria.

Keywords: cryptic biodiversity, Neotropical, Trochilidae, tropical dry forests, Aves


  A young male of Campylopterus calcirupicola captured on 18 July 2006 in the Fazenda Corredor (880 m asl), municipality of Bocaiúva, Minas Gerais, Brazil (DZUFMG 5005). Photographs by LEL. 

Campylopterus calcirupicola sp. nov. Dry-forest Sabrewing (English)
Asa-de-sabre-da-mata-seca (Portuguese)

Etymology. The name calcirupicola is Latin, composed by “calx”, calcis, limestone; “rupes”, steep rocks; and “cola”, dwelling (Eggli & Newton 2004). It refers to the habitat of this new hummingbird, which inhabits dry forests growing on limestone outcrops. This specific name matches that for the cactus Cereus calcirupicola F. Ritter, found in the type locality and in the same habitat (Ritter 1979) of the new hummingbird. The vernacular names we propose also refer to the habitat used by the new species.

Geographic distribution. Campylopterus calcirupicola has been recorded from Divinópolis de Goiás (northeastern state of Goiás) and Coribe (southwestern state of Bahia) to Bocaiúva (northern state of Minas Gerais) on both banks of the São Francisco River, as well as in the Paranã River valley, an important tributary of the Tocantins River, west of the Serra Geral (Figures 9 and 10). The altitudinal range of this new species is between 460–880 m asl. The range of C. calcirupicola probably extends to southeastern Tocantins (Dornas et al. 2014) and the southern part of the state of Piauí (Santos 2004), from where there are sight records of C. largipennis. We believe that the specimen of C. largipennis from “Posse, Goiás” cited by Silva (1990) as housed in the MNRJ refers to the specimen from “Galheiros” housed in the same institution and mentioned by Ruschi (1951), probably representing a toponymic mistake committed by Silva (1990).


 Leonardo E. Lopes, Marcelo F. De Vasconcelos and Luiz P. Gonzaga. 2017. A Cryptic New Species of Hummingbird of the Campylopterus largipennis complex (Aves: Trochilidae). Zootaxa. 4268(1); 1–33.   DOI:  10.11646/zootaxa.4268.1.1



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روابط التحميل والمشاهدة، الروابط المباشرة للتحميل
او
شاهد هذا الفيديو القصير لطريقة التحميل البسيطة


كيف تحصل على مدونة جاهزة بآلاف المواضيع والمشاركات من هنا
شاهد قناة منتدى مدونات بلوجر جاهزة بألاف المواضيع والمشاركات على اليوتيوب لمزيد من الشرح من هنا
رابط مدونة منتدى مدونات بلوجر جاهزة بآلاف المواضيع والمشاركات في أي وقت حــــتى لو تم حذفها من هنا
شاهد صفحة منتدى مدونات بلوجر جاهزة بألاف المواضيع والمشاركات على الفيس بوك لمزيد من الشرح من هنا
تعرف على ترتيب مواضيع منتدى مدونات بلوجر جاهزة بآلاف المواضيع والمشاركات (حتى لا تختلط عليك الامور) من هنا

ملاحظة هامة: كل عمليات تنزيل، رفع، وتعديل المواضيع الجاهزة تتم بطريقة آلية، ونعتذر عن اي موضوع مخالف او مخل بالحياء مرفوع بالمدونات الجاهزة بآلاف المواضيع والمشاركات، ولكم ان تقوموا بحذف هذه المواضيع والمشاركات والطريقة بسيطة وسهلة. ــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــسلامـ.

[Ornithology • 2018] Recovering the Evolutionary History of Crowned Pigeons (Columbidae: Goura): implications for the Biogeography and Conservation of New Guinean Lowland Birds ---ScRaBBlE


Goura cristata 

Bruxaux, Gabrielli, Ashari, et al. 2018

Highlights
• A phylogenetic analysis of crowned pigeons (Goura) is presented.
• Mitochondrial and nuclear DNA analyses resolved Goura into 4 monophyletic groups.
• Species formerly considered as subspecies are not each other's closest relatives.
• Dating suggests diversification of Goura within New Guinea since the Late Miocene.
• The biogeographic origin of the Goura lineage remains elusive.

Abstract
Assessing the relative contributions of immigration and diversification into the buildup of species diversity is key to understanding the role of historical processes in driving biogeographical and diversification patterns in species-rich regions. Here, we investigated how colonization, in situ speciation, and extinction history may have generated the present-day distribution and diversity of Goura crowned pigeons (Columbidae), a group of large forest-dwelling pigeons comprising four recognized species that are all endemic to New Guinea. We used a comprehensive geographical and taxonomic sampling based mostly on historical museum samples, and shallow shotgun sequencing, to generate complete mitogenomes, nuclear ribosomal clusters and independent nuclear conserved DNA elements. We used these datasets independently to reconstruct molecular phylogenies. Divergence time estimates were obtained using mitochondrial data only. All analyses revealed similar genetic divisions within the genus Goura and recovered as monophyletic groups the four species currently recognized, providing support for recent taxonomic changes based on differences in plumage characters. These four species are grouped into two pairs of strongly supported sister species, which were previously not recognized as close relatives: Goura sclaterii with Goura cristata, and Goura victoria with Goura scheepmakeri. While the geographical origin of the Goura lineage remains elusive, the crown age of 5.73 Ma is consistent with present-day species diversity being the result of a recent diversification within New Guinea. Although the orogeny of New Guinea's central cordillera must have played a role in driving diversification in Goura, cross-barrier dispersal seems more likely than vicariance to explain the speciation events having led to the four current species. Our results also have important conservation implications. Future assessments of the conservation status of Goura species should consider threat levels following the taxonomic revision proposed by del Hoyo and Collar (HBW and BirdLife International illustrated checklist of the birds of the world 1: non-passerines, 2014), which we show to be fully supported by genomic data. In particular, distinguishing G. sclaterii from G. scheepmakeri seems to be particularly relevant.

Keywords: New Guinea; Goura; Crowned pigeons; Molecular phylogeny; Biogeography





Jade Bruxaux, Maëva Gabrielli, Hidayat Ashari, Robert Prŷs-Jones, Leo Joseph, Borja Milá, Guillaume Besnard and Christophe Thébaud. 2018. Recovering the Evolutionary History of Crowned Pigeons (Columbidae: Goura): implications for the Biogeography and Conservation of New Guinean Lowland Birds. Molecular Phylogenetics and Evolution. In Press.  DOI:  10.1016/j.ympev.2017.11.022

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روابط التحميل والمشاهدة، الروابط المباشرة للتحميل
او
شاهد هذا الفيديو القصير لطريقة التحميل البسيطة


كيف تحصل على مدونة جاهزة بآلاف المواضيع والمشاركات من هنا
شاهد قناة منتدى مدونات بلوجر جاهزة بألاف المواضيع والمشاركات على اليوتيوب لمزيد من الشرح من هنا
رابط مدونة منتدى مدونات بلوجر جاهزة بآلاف المواضيع والمشاركات في أي وقت حــــتى لو تم حذفها من هنا
شاهد صفحة منتدى مدونات بلوجر جاهزة بألاف المواضيع والمشاركات على الفيس بوك لمزيد من الشرح من هنا
تعرف على ترتيب مواضيع منتدى مدونات بلوجر جاهزة بآلاف المواضيع والمشاركات (حتى لا تختلط عليك الامور) من هنا

ملاحظة هامة: كل عمليات تنزيل، رفع، وتعديل المواضيع الجاهزة تتم بطريقة آلية، ونعتذر عن اي موضوع مخالف او مخل بالحياء مرفوع بالمدونات الجاهزة بآلاف المواضيع والمشاركات، ولكم ان تقوموا بحذف هذه المواضيع والمشاركات والطريقة بسيطة وسهلة. ــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــسلامـ.

[Ornithology • 2017] Tapping the Woodpecker Tree for Evolutionary Insight ---ScRaBBlE



Shakya, Fuchs, Pons & Sheldon, 2017 

Highlights
• We compared DNA sequences of six loci from 203 of the 217 recognized species to construct a comprehensive tree of intrafamilial relationships of woodpeckers and found numerous unknown relationships among clades and species.
• We discuss how convergence, mimicry, and potential cases of hybridization obscured woodpecker relationships for morphological taxonomists.
• We also used the tree to analyze rates of diversification and biogeographic patterns within the family.

Abstract
Molecular phylogenetic studies of woodpeckers (Picidae) have generally focused on relationships within specific clades or have sampled sparsely across the family. We compared DNA sequences of six loci from 203 of the 217 recognized species of woodpeckers to construct a comprehensive tree of intrafamilial relationships. We recovered many known, but also numerous unknown, relationships among clades and species. We found, for example, that the three picine tribes are related as follows (Picini, (Campephilini, Melanerpini)) and that the genus Dinopium is paraphyletic. We used the tree to analyze rates of diversification and biogeographic patterns within the family. Diversification rate increased on two occasions during woodpecker history. We also tested diversification rates between temperate and tropical species but found no significant difference. Biogeographic analysis supported an Old World origin of the family and identified at least six independent cases of New World-Old World sister relationships. In light of the tree, we discuss how convergence, mimicry, and potential cases of hybridization have complicated woodpecker taxonomy.

Keywords: biogeography; convergence; diversification rates; phylogeny; Picidae; rate-shifts


Subir B. Shakya, Jérôme Fuchs, Jean-Marc Pons and Frederick H. Sheldon. 2017. Tapping the Woodpecker Tree for Evolutionary Insight. Molecular Phylogenetics and Evolution. In Press.  DOI: 10.1016/j.ympev.2017.09.005

New paper by #LSUMNS student Subir Shakya & Curator Fred Sheldon in MP&E. "Tapping the Woodpecker Tree for Evolutionary Insight" 

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روابط التحميل والمشاهدة، الروابط المباشرة للتحميل
او
شاهد هذا الفيديو القصير لطريقة التحميل البسيطة


كيف تحصل على مدونة جاهزة بآلاف المواضيع والمشاركات من هنا
شاهد قناة منتدى مدونات بلوجر جاهزة بألاف المواضيع والمشاركات على اليوتيوب لمزيد من الشرح من هنا
رابط مدونة منتدى مدونات بلوجر جاهزة بآلاف المواضيع والمشاركات في أي وقت حــــتى لو تم حذفها من هنا
شاهد صفحة منتدى مدونات بلوجر جاهزة بألاف المواضيع والمشاركات على الفيس بوك لمزيد من الشرح من هنا
تعرف على ترتيب مواضيع منتدى مدونات بلوجر جاهزة بآلاف المواضيع والمشاركات (حتى لا تختلط عليك الامور) من هنا

ملاحظة هامة: كل عمليات تنزيل، رفع، وتعديل المواضيع الجاهزة تتم بطريقة آلية، ونعتذر عن اي موضوع مخالف او مخل بالحياء مرفوع بالمدونات الجاهزة بآلاف المواضيع والمشاركات، ولكم ان تقوموا بحذف هذه المواضيع والمشاركات والطريقة بسيطة وسهلة. ــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــسلامـ.

[Ornithology • 2018] Pelecanoides whenuahouensis • Analyses of Phenotypic Differentiations Among South Georgian Diving Petrel (Pelecanoides georgicus) Populations Reveal An Undescribed and Highly Endangered Species from New Zealand ---ScRaBBlE


Pelecanoides whenuahouensis 
Fischer, Debski, Miskelly, Bost, Fromant, Tennyson, Tessler, Cole, Hiscock, Taylor & Wittmer, 2018

Whenua Hou Diving Petrel  ||   DOI:  10.1371/journal.pone.0197766 

Abstract
Unresolved taxonomy of threatened species is problematic for conservation as the field relies on species being distinct taxonomic units. Differences in breeding habitat and results from a preliminary molecular analysis indicated that the New Zealand population of the South Georgian Diving Petrel (Pelecanoides georgicus) was a distinct, yet undescribed, species. We measured 11 biometric characters and scored eight plumage characters in 143 live birds and 64 study skins originating from most populations of P. georgicus, to assess their taxonomic relationships. We analysed differences with principal component analyses (PCA), factorial ANOVAs, and Kruskal-Wallis rank sum tests. Results show that individuals from New Zealand differ significantly from P. georgicus from all other populations as following: 1) longer wings, 2) longer outer tail feathers, 3) deeper bills, 4) longer heads, 5) longer tarsi, 6) limited collar extent, 7) greater extent of contrasting scapulars, 8) larger contrasting markings on the secondaries, 9) paler ear coverts, 10) paler collars, and 11) paler flanks. Furthermore, we used a species delimitation test with quantitative phenotypic criteria; results reveal that the New Zealand population of P. georgicus indeed merits species status. We hereby name this new species Pelecanoides whenuahouensis sp. nov. Due to severe reductions in its range and the very low number of remaining birds (~150 individuals limited to a single breeding colony on Codfish Island/Whenua Hou) the species warrants listing as ‘Critically Endangered’. 

S1 Fig. Lateral view of the holotype of Pelecanoides whenuahouensis  (NMNZ OR.21058) (Johannes H. Fischer).

The new species of diving petrel, named Whenua Hou Pelecanoides whenuahouensis, is already marked as critically endangered. File size: 13.5 MB Attribution: Jake Osborne

Pelecanoides whenuahouensis sp. nov.  

Etymology: P. whenuahouensis is named after the name of Codfish Island in the Māori language/Te Reo Māori: Whenua Hou (pronounced 'fɛnua 'hou, meaning ‘new land’). This island hosts the only extant colony of this species. This name was selected by the Ngāi Tahu, the Māori people who still hold a genealogical, cultural, and spiritual connection to both the island and this species, which they consider a taonga (treasure).

Common name: We propose the English common name ‘Whenua Hou Diving Petrel’.

Generic placement: P. whenuahouensis clearly belongs in Pelecanoides (family: Pelecanoididae, order: Procellariiformes) based on a combination of black and white plumage, short, paddle-like wings, short tail, small and compact build, and bill morphology (short, broad based bill with hooked tip, a paraseptal process in nostrils, and gular pouch).

Diagnosis: P. whenuahouensis differs from P. garnottii, through bill morphology/coloration (a shorter, slimmer bill, with much smaller nostrils, the presence of lavender blue on the lower mandible, and a less well-defined paraseptal process (but both species have the paraseptal process placed at approximately 50%) and a smaller overall size (resulting in shorter wings, tarsi, and a much lower bodyweight). P. whenuahouensis, however, does appear to have a longer tail than P. garnottii. Furthermore, P. whenuahouensis exhibits 1) a much larger extent of contrasting ear coverts, 2) continuous and pure white scapulars, 3) a limited (light grey) collar, 4) much paler (light grey) flanks and axillaries, and 5) white underwings including primaries. In addition, P. whenuahouensis can also be readily distinguished from P. garnottii based on vocalisations.
......



Distribution: All known study skins of P. whenuahouensis originate from either Dundas Island, Enderby Island (both Auckland Islands, New Zealand), or Codfish Island, New Zealand. P. whenuahouensis remains extant only on Codfish Island, where it breeds in a minute (0.018 km2) strip of coastal, sandy foredunes in Sealers Bay. The historic distribution of P. whenuahouensis in New Zealand likely encompassed the Otago Peninsula on the South Island, Mason’s Bay on Stewart Island, Enderby and Dundas Islands on the Auckland Islands and the Chatham Islands.

The offshore distribution of P. whenuahouensis remains unknown. Prey species found in two specimens indicate that P. whenuahouensis forages on the edge of the continental shelf during the breeding season. The only documented P. georgicus record for Australia (Bellambi Beach, New South Wales) likely pertained to P. whenuahouensis, based on the reported biometrics (most notably a tail length of 41 mm), indicating at least considerable vagrancy potential, and perhaps a larger offshore distribution than previously assumed, as recently demonstrated in P. u. urinatrix.


Fig 6. Study skins of Pelecanoides georgicus from different populations (Johannes H. Fischer). (A) Dorsal view. (B) Ventral view. (C) Lateral view. SAO = NMNZ OR.18421; origin: South Georgia, U.K., South Atlantic Ocean. SIO = NMNZ OR.24768; origin: Heard Island, Australia, South Indian Ocean. NZ = NMNZ OR.21631; origin: Dundas Island, Auckland Islands, New Zealand. Note differences in bill depth (NZ having the highest/deepest), collar extent (SIO having the largest), extent of contrasting scapulars (NZ having the largest), and contrasting white markings on secondaries (NZ having the largest) among others.

Conclusion: 
Here, we provide evidence of the distinctiveness of the Whenua Hou Diving Petrel (Pelecanoides whenuahouensis sp. nov.; previously part of the South Georgian Diving Petrel P. georgicus complex), which is a ‘Critically Endangered’ species. The conservation status of this species has remained “hidden” to global conservation interests due to its inclusion in a polytypic “species”. New Zealand, however, maintains a national threat classification system and therefore, the dire situation of P. whenuahouensis has been acknowledged within New Zealand. Consequently, we advocate the continuing use of national threat classification systems, as in cases like this, it has complemented the global threat classification system, by protecting taxa for which the taxonomy is still unclear. In addition, we urge taxonomists to focus new research on polytypic species that are likely to include threatened taxa, for conservation efforts depend on species being a clear and single ecological unit.


Johannes H. Fischer, Igor Debski, Colin M. Miskelly, Charles A. Bost, Aymeric Fromant, Alan J. D. Tennyson, Jake Tessler, Rosalind Cole, Johanna H. Hiscock, Graeme A. Taylor and Heiko U. Wittmer. 2018. Analyses of Phenotypic Differentiations Among South Georgian Diving Petrel (Pelecanoides georgicus) Populations Reveal An Undescribed and Highly Endangered Species from New Zealand. PLoS ONE. 13(6): e0197766.  DOI:  10.1371/journal.pone.0197766

New diving petrel critically endangered  scimex.org/newsfeed/new-diving-petrel-critically-endangered

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روابط التحميل والمشاهدة، الروابط المباشرة للتحميل
او
شاهد هذا الفيديو القصير لطريقة التحميل البسيطة


كيف تحصل على مدونة جاهزة بآلاف المواضيع والمشاركات من هنا
شاهد قناة منتدى مدونات بلوجر جاهزة بألاف المواضيع والمشاركات على اليوتيوب لمزيد من الشرح من هنا
رابط مدونة منتدى مدونات بلوجر جاهزة بآلاف المواضيع والمشاركات في أي وقت حــــتى لو تم حذفها من هنا
شاهد صفحة منتدى مدونات بلوجر جاهزة بألاف المواضيع والمشاركات على الفيس بوك لمزيد من الشرح من هنا
تعرف على ترتيب مواضيع منتدى مدونات بلوجر جاهزة بآلاف المواضيع والمشاركات (حتى لا تختلط عليك الامور) من هنا

ملاحظة هامة: كل عمليات تنزيل، رفع، وتعديل المواضيع الجاهزة تتم بطريقة آلية، ونعتذر عن اي موضوع مخالف او مخل بالحياء مرفوع بالمدونات الجاهزة بآلاف المواضيع والمشاركات، ولكم ان تقوموا بحذف هذه المواضيع والمشاركات والطريقة بسيطة وسهلة. ــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــسلامـ.

[Ornithology • 2018] Macroevolutionary Patterning of Woodpecker Drums reveals How Sexual Selection Elaborates Signals Under Constraint ---ScRaBBlE



in Miles, Schuppe, Ligon & Fuxjager, 2018.


Abstract
Sexual selection drives elaboration in animal displays used for competition and courtship, but this process is opposed by morphological constraints on signal design. How do interactions between selection and constraint shape display evolution? One possibility is that sexual selection continues exaggeration under constraint by operating differentially on each signal component in complex, modular displays. This is seldom studied on a phylogenetic scale, but we address the issue herein by studying macroevolutionary patterning of woodpecker drum displays. These territorial displays are produced when an individual rapidly hits its bill on a hard surface, and drums vary across species in the number of beats included (length) and the rate of drumbeat production (speed). We report that species body size limits drum speed, but not drum length. As a result of this biomechanical constraint, there is less standing variation in speed than length. We also uncover a positive relationship between sexual size dimorphism and the unconstrained trait (length), but with no effect on speed. This suggests that when morphology limits the exaggeration of one component, sexual selection instead exaggerates the unconstrained trait. Modular displays therefore provide the basis for selection to find novel routes to phenotypic elaboration after previous ones are closed.

KEYWORDS: sexual selection, animal behaviour, signal design, constraint 


Figure 1. Cladogram of the woodpeckers (family: Picidae) from Dufort et al. [2016]. At the tips, longer bars indicate species with longer drums. Bars are coloured by drum speed (beats s–1), with warm colours (green to red) indicating progressively faster drums than cool colours (blue-green to blue). Edge colors indicate the evolution of drumming determined from ER Mk1 ancestral state reconstruction (black, drum; orange, drum-like signal; blue, no drum or drum-like signal). Silhouettes are aligned near their corresponding tips, and drawn to-scale based on phylogenetic PCA of body size.


Meredith C. Miles, Eric R. Schuppe, R. Miller Ligon IV and Matthew J. Fuxjager. 2018. Macroevolutionary Patterning of Woodpecker Drums reveals How Sexual Selection Elaborates Signals Under Constraint. Proc. R. Soc. B. 285; 20172628. DOI:  10.1098/rspb.2017.2628
M. J. Dufort. 2016. An augmented supermatrix phylogeny of the avian family Picidae reveals uncertainty deep in the family tree. Mol. Phylogenet. Evol. 94, 313–326.   DOI:  10.1016/j.ympev.2015.08.025

The evolution of woodpecker drums @meredithcmiles @fuxjagerlab  ow.ly/Tbic30iCa6d  #openaccess #ProcB  

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روابط التحميل والمشاهدة، الروابط المباشرة للتحميل
او
شاهد هذا الفيديو القصير لطريقة التحميل البسيطة


كيف تحصل على مدونة جاهزة بآلاف المواضيع والمشاركات من هنا
شاهد قناة منتدى مدونات بلوجر جاهزة بألاف المواضيع والمشاركات على اليوتيوب لمزيد من الشرح من هنا
رابط مدونة منتدى مدونات بلوجر جاهزة بآلاف المواضيع والمشاركات في أي وقت حــــتى لو تم حذفها من هنا
شاهد صفحة منتدى مدونات بلوجر جاهزة بألاف المواضيع والمشاركات على الفيس بوك لمزيد من الشرح من هنا
تعرف على ترتيب مواضيع منتدى مدونات بلوجر جاهزة بآلاف المواضيع والمشاركات (حتى لا تختلط عليك الامور) من هنا

ملاحظة هامة: كل عمليات تنزيل، رفع، وتعديل المواضيع الجاهزة تتم بطريقة آلية، ونعتذر عن اي موضوع مخالف او مخل بالحياء مرفوع بالمدونات الجاهزة بآلاف المواضيع والمشاركات، ولكم ان تقوموا بحذف هذه المواضيع والمشاركات والطريقة بسيطة وسهلة. ــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــسلامـ.

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