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221 results for “passerine bird”
FIGURE 4 in A review of the subfamily Harpypalpinae Fain, 1972 (Acariformes: Harpirhynchidae) — parasites of passerine birds
FIGURE 4. Harpypalpus longipes (Fritsch, 1954), male. A—dorsal view; B—ventral view.
FIGURE 18 in Revision of the subfamily Onychalginae Fain, 1988 (Acariformes: Pyroglyphidae) — ectoparasites of passerine birds
FIGURE 18. Paramealia ovata (Gaud and Mouchet, 1959), female. A—dorsal view; B—ventral view.
FIGURE 14. Onychalges schizurus Gaud, 1968, male. A in Revision of the subfamily Onychalginae Fain, 1988 (Acariformes: Pyroglyphidae) — ectoparasites of passerine birds
FIGURE 14. Onychalges schizurus Gaud, 1968, male. A—dorsal view; B—ventral view.
FIGURE 13. Onychalges odonturus Gaud, 1968, female. A in Revision of the subfamily Onychalginae Fain, 1988 (Acariformes: Pyroglyphidae) — ectoparasites of passerine birds
FIGURE 13. Onychalges odonturus Gaud, 1968, female. A—dorsal view; B—ventral view.
FIGURE 3. Onychalges pachyspathus Gaud, 1968, male. A in Revision of the subfamily Onychalginae Fain, 1988 (Acariformes: Pyroglyphidae) — ectoparasites of passerine birds
FIGURE 3. Onychalges pachyspathus Gaud, 1968, male. A—dorsal view; B—ventral view.
FIGURE 2 in Revision of the subfamily Onychalginae Fain, 1988 (Acariformes: Pyroglyphidae) — ectoparasites of passerine birds
FIGURE 2. Onychalges longitarsus (Bonnet, 1924), female. A—dorsal view; B—ventral view.
FIGURE 10. Onychalges asaphospathus Gaud, 1968, male. A in Revision of the subfamily Onychalginae Fain, 1988 (Acariformes: Pyroglyphidae) — ectoparasites of passerine birds
FIGURE 10. Onychalges asaphospathus Gaud, 1968, male. A—dorsal view; B—ventral view.
FIGURE 17 in Revision of the subfamily Onychalginae Fain, 1988 (Acariformes: Pyroglyphidae) — ectoparasites of passerine birds
FIGURE 17. Paramealia ovata (Gaud and Mouchet, 1959), male. A—dorsal view; B—ventral view.
FIGURE 1 in Revision of the subfamily Onychalginae Fain, 1988 (Acariformes: Pyroglyphidae) — ectoparasites of passerine birds
FIGURE 1. Onychalges longitarsus (Bonnet, 1924), male. A—dorsal view; B—ventral view.
FIGURE 15. Onychalges schizurus Gaud, 1968, female. A in Revision of the subfamily Onychalginae Fain, 1988 (Acariformes: Pyroglyphidae) — ectoparasites of passerine birds
FIGURE 15. Onychalges schizurus Gaud, 1968, female. A—dorsal view; B—ventral view.
FIGURE 11. Onychalges asaphospathus Gaud, 1968, female. A in Revision of the subfamily Onychalginae Fain, 1988 (Acariformes: Pyroglyphidae) — ectoparasites of passerine birds
FIGURE 11. Onychalges asaphospathus Gaud, 1968, female. A—dorsal view; B—ventral view.
FIGURE 4. Onychalges pachyspathus Gaud, 1968, female. A in Revision of the subfamily Onychalginae Fain, 1988 (Acariformes: Pyroglyphidae) — ectoparasites of passerine birds
FIGURE 4. Onychalges pachyspathus Gaud, 1968, female. A—dorsal view; B—ventral view.
Figure 1 in Investigation of roost composition of passerine birds in different environmental conditions
Figure 1. Recordings of four birds in their communal roosts in University Campus, Faisalabad. S.E. = Standard Error.
Fig. 2 in Haemoparasites in endemic and non-endemic passerine birds from central Mexico highlands
Fig. 2. Triple infection of Haemoproteus spp./Leucocytozoon spp./microfilaria in a Catharus occidentalis. (A). Leucocytozoon spp. () and Haemoproteus spp. () parasites. (B). Microfilaria (➤), Leucocytozoon spp. () and Haemoproteus spp. () parasites. (C). Catharus occidentalis infected. Photomicrographs. Scale-bar: 10 μm.
Data from: Mitochondrial rate variation among lineages of passerine birds
The order Passeriformes comprises the majority of extant avian species. Analyses of molecular data have provided important insights into the evolution of this diverse order. However, molecular estimates of the evolutionary and demographic timescales of passerine species have been hindered by a lack of reliable calibrations. This has led to a reliance on the application of standard substitution rates to mitochondrial DNA data, particularly rates estimated from analyses of the gene encoding cytochrome b (CYTB). To investigate patterns of rate variation across passerine lineages, we used a Bayesian phylogenetic approach to analyse the protein-coding genes of 183 mitochondrial genomes. We found that the most commonly used mitochondrial marker, CYTB, has low variation in rates across passerine lineages. This lends support to its widespread use as a molecular clock in birds. However, we also found that the patterns of among-lineage rate variation in CYTB are only weakly related to the evolutionary rate of the mitochondrial genome as a whole. Our analyses confirmed the presence of mutational saturation at third codon positions across the protein-coding genes of the mitochondrial genome, reinforcing the view that these sites should be excluded in studies of deep passerine relationships. The results of our analyses have provided information that will be useful for molecular-clock studies of passerine evolution.
Figure 4 from: Pérez-Luque AJ, Barea-Azcón JM, Álvarez-Ruiz L, Bonet-García FJ, Zamora R (2016) Dataset of Passerine bird communities in a Mediterranean high mountain (Sierra Nevada, Spain). ZooKeys 552: 137-154. https://doi.org/10.3897/zookeys.552.6934
Figure 4 - Temporal coverage of the dataset. For each taxon (y-axis) the temporal coverage is shown including a point. Point size is proportional to monthly records of each taxon.
Figure 2 from: Pérez-Luque AJ, Barea-Azcón JM, Álvarez-Ruiz L, Bonet-García FJ, Zamora R (2016) Dataset of Passerine bird communities in a Mediterranean high mountain (Sierra Nevada, Spain). ZooKeys 552: 137-154. https://doi.org/10.3897/zookeys.552.6934
Figure 2 - Taxonomic families included in the dataset. The bars show the percentage of records belonging to each family.
Figure 1 from: Pérez-Luque AJ, Barea-Azcón JM, Álvarez-Ruiz L, Bonet-García FJ, Zamora R (2016) Dataset of Passerine bird communities in a Mediterranean high mountain (Sierra Nevada, Spain). ZooKeys 552: 137-154. https://doi.org/10.3897/zookeys.552.6934
Figure 1 - a Location of Sierra Nevada (southern Spain) and b distribution of transects in the Protected Natural Area of Sierra Nevada. Transect colour according to habitat type (see Methods section). A Landsat 5 Image (2001) was used as background.
Data for: Ground nesting in passerine birds: Evolution, biogeography and life history correlates
<p>Nest location is one of the key components of avian reproduction and sharp transitions between different nest location strategies may have profound ecological and evolutionary consequences. Here, we used a phylogenetically-informed comparative framework to reconstruct the evolution of ground nesting behaviour in passerine birds, quantify its biogeographical and habitat variation, and test for its associations with life history traits. Our dataset comprised over 1600 species distributed worldwide and representing ca. 90% of all extant passerine families. Our analyses revealed a scattered phylogenetic distribution and moderate phylogenetic signal in the occurrence of ground nesting in passerines. We also found relatively high forward and backward transitions rates between character states of ground and non-ground nesting, indicating strong evolutionary lability. Non-ground nesting was identified as a likely ancestral state at the root of passerine phylogeny. Occurrence of ground nesting was clearly associated with habitat variation, as open habitats generally supported greater proportion of ground nesting species than non-open habitats (forests). Within the major habitat categories we found greater proportion of ground nesters in boreal and temperate than subtropical and tropical zones. This reflected a general latitudinal gradient in the occurrence of ground nesting, with higher proportion of ground nesting species at higher latitudes (especially at the northern hemisphere). Ground nesting was also associated with fast life histories, as ground nesters had larger clutches, shorter incubation periods and faster chick development rates than non-ground nesters. This variation was possibly driven by higher predation rates on nestlings and adult birds in ground nesting species. Our study lays a foundation for a comprehensive understanding of mechanisms and processes that have driven macroevolution of ground nesting behaviour in the most species-rich extant avian lineage.</p>
Data from: Mitochondrial rate variation among lineages of passerine birds
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