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Hace 4 días · Great Tit (Parus major), version 1.0. In Birds of the World (S. M. Billerman, B. K. Keeney, P. G. Rodewald, and T. S. Schulenberg, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.gretit1.01.
- Paridae
The IUCN (2023) Red List is based on a different taxonomy...
- Parus Monticolus
Learn about the Green-backed Tit, a small and active bird...
- Paridae
Hace 4 días · Two illustrations of hummingbirds by an artist in the Bartels Science Illustration Program at the Cornell Lab of Ornithology allowed ornithologists to discover subtle differences in the...
Hace 4 días · Along with the Cornell Lab of Ornithology Values, Terms of Use, and eBird Best Practices, our updated Community Guidelines lay out the basic ground rules for participation as well as recommended behaviors for respectful, responsible bird observation.
Hace 19 horas · The Cornell Lab of Ornithology builds the eBird global platform for communities and partners around the world to advance data-driven science, education, and conservation. ... When applicable, eBird generally defers to bird records committees for records formally considered to be of "uncertain provenance".
Hace 2 días · Migratory birds should not arrive too early at their breeding grounds, because harsh environmental conditions, such as cold spells, may pose a mortality risk (Brown & Brown, 1998). The flycatchers arrived at our study area in early May each year when most of the tits raising the first broods were in incubation or brooding periods.
Hace 4 días · I first discovered Merlin Bird ID by Cornell Lab of Ornithology earlier this summer, when I was trying to figure out the identity of a particular bird of prey in my neighborhood. After looking at ...
Hace 1 día · We compared Snowy Owl feeding ecology from 15 breeding season studies throughout Nearctic and Palearctic circumpolar regions. We used raw data and information theory to assess the owls’ feeding niche. Combined studies yielded 59,923 prey items, of which 59,585 were used for calculations. Overall, mean food niche breadth (FNB) was narrow: H′ = 1.95; R = 1.60, D = 0.526. In 10 of 15 studies ...
