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1,140 results for “feathers”
Figure 1 Nycteridocaulus sulcatussp. n in Two new feather mites of the subfamily Proctophyllodinae (Acariformes: Proctophyllodidae) from the Yellow-bellied Flycatcher Empidonax flaviventris (Passeriformes: Tyrannidae) in Canada
Figure 1 Nycteridocaulus sulcatussp. n., male: A – dorsal view, B – ventral view.
Figure 5 Tyranniphyllodes empidonicussp. n in Two new feather mites of the subfamily Proctophyllodinae (Acariformes: Proctophyllodidae) from the Yellow-bellied Flycatcher Empidonax flaviventris (Passeriformes: Tyrannidae) in Canada
Figure 5 Tyranniphyllodes empidonicussp. n., female: A – dorsal view, B – ventral view.
Terms4FAIRskills - an overview for the Research Data Alliance 'Birds of a Feather' session, Skills and training curriculums to support FAIR for Research Software
<p>Short talk (7m) on the terms4FAIRskills initiative for the Research Data Alliance 'Birds of a Feather' session, Skills and training curriculums to support FAIR for Research Software, at RDA plenary 18 on 3 Nov 2021.</p> <p>Please see https://www.rd-alliance.org/skills-and-training-curriculums-support-fair-research-software for more information on the BoF session. Please see https://terms4fairskills.github.io/ for more information on the terms4FAIRskills initiative.</p>
Supplementary data for "Pterosaur melanosomes support signalling functions for early feathers."
<p>Supplementary data for the manuscript entitled "Pterosaur melanosomes support signalling functions for early feathers."</p>
No apparent trade-off between the quality of nest grown feathers and time spent in the nest in an aerial insectivore, the tree swallow
<p>Life history theory provides a framework for understanding how trade-offs generate negative trait associations. Among nestling birds, time spent in the nest, risk of predation, and lifespan covary, but some associations are only found within species while others are only observed between species. A recent comparative study suggests that allocation trade-offs may be alleviated by disinvestment in ephemeral traits, such as nest-grown feathers, that are quickly replaced. However, direct resource allocation trade-offs cannot be inferred from inter-specific trait-associations without complementary intra-specific studies. Here, we asked whether there is evidence for a within-species allocation trade-off between feather quality and time spent in the nest in tree swallows (<em>Tachycineta bicolor</em>). Consistent with the idea that ephemeral traits are deprioritized, nest-grown feathers had lower barb density than adult feathers. However, despite substantial variation in fledging age among nestlings, there was no evidence for a negative association between time in the nest and feather quality. Furthermore, accounting for differences in resource availability by considering provisioning rate and a nest predation treatment did not reveal a trade-off that was masked by variation in resources. Our results are most consistent with the idea that the inter-specific association between development and feather quality arises from adaptive specialization, rather than from a direct allocation trade-off.</p>
Stable-isotopes (δ2H, δ13C) within feathers from harvested American black ducks (2017-2020)
<p>Stable isotope data from American Black Duck feathers (n = 665) and associated harvest data. The first primary feather (P1) was collected from wings submitted to the Species Composition Survey in Canada and Parts Collection Survey in the United States. From available feathers, we selected individuals for stable-isotope analysis stratified by black duck conservation region, sex, age, and date of harvest, where possible. These data are those that were selected for stable-hydrogen isotope analysis. See Kusack et al. (in press) - 'Origins of harvested American black ducks: stable isotopes support the flyover hypothesis' for additional information on our use of this data.</p>
Identity and characteristics of feathers used as lining in Tree Swallow (Tachycineta bicolor) nests in Indiana and Ohio
<p><span>Nest building represents an important part of parental investment and can significantly impact reproductive success in many bird species. Tree Swallows (<em>Tachycineta bicolor</em>) are secondary cavity nesters that readily accept nest boxes and construct basic grass nest cups lined with molted feathers from other bird species. We identified and described the characteristics of the feathers used as nesting materials by Tree Swallows in 4 different habitats in Indiana and Ohio. We monitored 41 nest boxes in 2017 and 53 nest boxes in 2018. After chicks fledged, we collected feathers from nests, counted them, and characterized them by size, color, and type. Brown, medium length (5–10 cm), and contour feathers were significantly more common than other types of feathers. We compared the prevalence and characteristics of feathers in nests across different habitat types, with results showing that nests located near lakes had significantly more feathers than those in agricultural habitats. We identified which species feathers belonged to using molecular techniques and morphological comparisons and found that they belonged to 26 species from 19 families and 11 orders: Galliformes, Anseriformes, Columbiformes, Gruiformes, Charadriiformes, Pelecaniformes, Accipitriformes, Strigiformes, Piciformes, Cathartiformes, and Passeriformes, including 20 previously unreported species within those orders. Thus, feathers used as nest lining by Tree Swallows are more diverse than previously reported. Feather identities from each habitat matched avian communities in those areas, suggesting that Tree Swallows are generalist feather collectors and that the number and characteristics of feathers used as lining depends on feather availability near the nesting site. </span></p>
Figure 11 Proterothrix papuensis n in Three new feather mite species of the genusProterothrix Gaud, 1968 (Analgoidea: Proctophyllodidae: Pterodectinae) from birds of paradise (Passeriformes: Paradisaeidae)
Figure 11 Proterothrix papuensis n. sp., female. A – dorsal view, B – ventral view.
Figure 9 Proterothrix papuensis, male. A in Three new feather mite species of the genusProterothrix Gaud, 1968 (Analgoidea: Proctophyllodidae: Pterodectinae) from birds of paradise (Passeriformes: Paradisaeidae)
Figure 9 Proterothrix papuensis, male. A – dorsal view, B – ventral view.
Figure 7 Figure 7. Proterothrix modestasimilis n in Three new feather mite species of the genusProterothrix Gaud, 1968 (Analgoidea: Proctophyllodidae: Pterodectinae) from birds of paradise (Passeriformes: Paradisaeidae)
Figure 7 Figure 7. Proterothrix modestasimilis n. sp., female. A – dorsal view, B – ventral view.
Figure 5 Figure 5. Proterothrix modestasimilis n in Three new feather mite species of the genusProterothrix Gaud, 1968 (Analgoidea: Proctophyllodidae: Pterodectinae) from birds of paradise (Passeriformes: Paradisaeidae)
Figure 5 Figure 5. Proterothrix modestasimilis n. sp., male. A – dorsal view, B – ventral view.
Figure 3 Figure 3. Proterothrix maior n in Three new feather mite species of the genusProterothrix Gaud, 1968 (Analgoidea: Proctophyllodidae: Pterodectinae) from birds of paradise (Passeriformes: Paradisaeidae)
Figure 3 Figure 3. Proterothrix maior n. sp., female. A – dorsal view, B – ventral view.
Figure 1 Proterothrix maior n in Three new feather mite species of the genusProterothrix Gaud, 1968 (Analgoidea: Proctophyllodidae: Pterodectinae) from birds of paradise (Passeriformes: Paradisaeidae)
Figure 1 Proterothrix maior n. sp., male. A – dorsal view, B – ventral view.
Fig. 4 in A New Feather Mite Species of the Genus Metanalges (Acariformes: Analgidae) from the Okinawa Rail, Hypotaenidia okinawae (Gruiformes: Rallidae), in Okinawa Island, Japan
Fig. 4. Metanalges agachi sp. n., female, MPM Coll. No. 25252. A, Ventral view; B, dorsal view.
Fig. 5 in A New Feather Mite Species of the Genus Metanalges (Acariformes: Analgidae) from the Okinawa Rail, Hypotaenidia okinawae (Gruiformes: Rallidae), in Okinawa Island, Japan
Fig. 5. Metanalges agachi sp. n., female, MPM Coll. No. 25253. A–D, Legs I–IV.
Fig. 2 in A New Feather Mite Species of the Genus Metanalges (Acariformes: Analgidae) from the Okinawa Rail, Hypotaenidia okinawae (Gruiformes: Rallidae), in Okinawa Island, Japan
Fig. 2. Metanalges agachi sp. n., male, MPM Coll. No. 25250. A, Ventral view; B, dorsal view.
Figure 9 in Three new feather mites of the genus Proterothrix Gaud (Astigmata: Proctophyllodidae) from passerines (Aves: Passeriformes) in China
Figure 9 Proterothrix ianthocinclae sp. n., male. A – dorsal view, B – ventral view.
Figure 7 in Three new feather mites of the genus Proterothrix Gaud (Astigmata: Proctophyllodidae) from passerines (Aves: Passeriformes) in China
Figure 7 Proterothrix disulcatus sp. n., details of female. A – dorsal view, B – ventral view.
Figure 11 in Three new feather mites of the genus Proterothrix Gaud (Astigmata: Proctophyllodidae) from passerines (Aves: Passeriformes) in China
Figure 11 Proterothrix ianthocinclae sp. n., details of female. A – dorsal view, B – ventral view.
Figure 5 in Three new feather mites of the genus Proterothrix Gaud (Astigmata: Proctophyllodidae) from passerines (Aves: Passeriformes) in China
Figure 5 Proterothrix disulcatus sp. n., male. A – dorsal view, B – ventral view.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.