Cornell Lab of Ornithology

@cornellbirds.bsky.social

The Cornell Lab of Ornithology is a world leader in the study, appreciation, and conservation of birds and biodiversity. birds.cornell.edu/home/ (White-breasted Nuthatch by Hannah Criswell / Macaulay Library)

BIRD QUIZ: Here is a bird photographed in Virginia in early August 2021. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Martina Nordstrand for sharing this photo with eBird and the Macaulay Library archive.

Image description: A heron standing in shallow water with a small crab in its bill. The bird is mostly brown, with a streaked throat and spotted upperparts. Text on image: Mystery Bird, Avis ignota © Martina Nordstrand / Macaulay Library, Cornell Lab.

BIRD QUIZ: Here is a bird photographed in Montana in mid-July. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Jan Thom for sharing this photo with eBird and the Macaulay Library archive.

Image description: A long-billed shorebird with intricately patterned dark upperparts and a white belly. The bird is perched on a tree stump in front of a greenish background. Text on image: Mystery Bird, Avis ignota © Jan Thom / Macaulay Library, Cornell Lab.

BIRD QUIZ: Here is a bird photographed in Alberta in mid-July. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Ayden Valkenburg for sharing this photo with eBird and the Macaulay Library archive.

Image description: A waterbird sitting on blue-gray water with faint ripples. The bird is mostly black, with yellow plumes behind the eye and chestnut flanks. Text on image: Mystery Bird, Avis ignota © Ayden Valkenburg / Macaulay Library, Cornell Lab.

BIRD QUIZ: Here are a bird and its chick photographed in Michigan in early July. Do you know what species they are? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Matthew Dolkart for sharing this photo with eBird and the Macaulay Library archive.

A pale shorebird with a chick directly in front of it. The adult is sandy brown above and white below, with a black collar. The foreground and background are blurred brown, matching the adult’s upperparts. Text on image: Mystery Bird, Avis ignota © Matthew Dolkart / Macaulay Library, Cornell Lab.

BIRD QUIZ: Here is a bird photographed in Colorado in early July 2021. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Johanna Beam for sharing this photo with eBird and the Macaulay Library archive.

[Image description: A brown-and-white chickenlike bird standing in front of a green background. Text on image: Mystery Bird, Avis ignota © Johanna Beam / Macaulay Library, Cornell Lab.]

BIRD QUIZ: Here is a bird photographed in early June in Wisconsin. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Jonathan Fisher for sharing this photo with eBird and the Macaulay Library archive.

[Image description: A small songbird clinging to a vertical green grass stem. The bird has a heavy, thick bill and prominent yellow on the face and breast. Text on image: Mystery Bird, Avis ignota © Jonathan Fisher / Macaulay Library, Cornell Lab.]

BIRD QUIZ: Here is a trio of birds photographed in early June in Virginia, north of their normal range. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Anne Bielamowicz for sharing this photo with eBird and the Macaulay Library.

[Image description: Three ducks in flight against a blue sky. The birds are patterned in black, white, chestnut, and gray. Text on image: Mystery Bird, Avis ignota © Anne Bielamowicz / Macaulay Library, Cornell Lab.]

BIRD QUIZ: Here is a bird photographed in Alberta in mid-June 2023. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Sydney Mohr for sharing this photo with eBird and the Macaulay Library archive.

[Image description: A small songbird perched on a lichen-covered branch. The bird has a gray hood, olive upperparts, and yellow underparts. Text on image: Mystery Bird, Avis ignota © Sydney Mohr / Macaulay Library, Cornell Lab.]

BIRD QUIZ: Here is a bird photographed in Nunavut in early June 2019. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Paul Jones for sharing this photo with eBird and the Macaulay Library archive.

[Image description: A bright red shorebird resting on calm turquoise water, with its image reflected in the water. The bird has a white face and a mostly yellow bill. Text on image: Mystery Bird, Avis ignota © Paul Jones / Macaulay Library, Cornell Lab.]

BIRD QUIZ: Here is a bird photographed in Michigan in mid-May. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Jocelyn Anderson for sharing this photo with eBird and the Macaulay Library archive.

[Image description: A small songbird perched on a thin horizontal branch and surrounded by fresh green foliage. The bird is boldly patterned in yellow, black, gray, and white. Text on image: Mystery Bird, Avis ignota © Jocelyn Anderson / Macaulay Library, Cornell Lab.]

Join us for a video premiere and live Q&A on May 22 at 2:00 p.m. EDT! 📣 🐦 Celebrate the joy of spring birding and enjoy a video following Lab staff into our local woods. Co-hosts Kevin McGowan and Samantha Hauser will introduce the premiere and answer your questions. Can’t wait to see you there!

Video Premiere: Walk in the Woods with Kevin McGowan | Bird Academy • The Cornell Lab

Join us live, Friday, May 22, 2:00 p.m. EDT / 11:00 a.m. PDT Kevin McGowan searches the woods along with staffers on one of his daily walks. A Live Video Pr ...

academy.allaboutbirds.org

BIRD QUIZ: Here is a bird photographed in Illinois in early May. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Marky Mutchler for sharing this photo with eBird and the Macaulay Library archive.

[Image description: A gray-and-white songbird perched on a thin branch, with bright green leaves below the bird and pink flowers behind it. Text on image: Mystery Bird, Avis ignota, © Marky Mutchler / Macaulay Library, Cornell Lab.]

Warblers are exciting heralds of spring, but they can be notoriously tricky to ID! Pick up our quick, downloadable photo guide featuring eastern, western, and widespread warbler species of the U.S. and Canada to compare warblers in their spring plumage: dl.allaboutbirds.org/free-warbler...

Free Warbler ID Guide PDF

Get help with Warbler ID and learn what to look for with these free, downloadable warbler photo guides.

dl.allaboutbirds.org

BIRD QUIZ: Here is a bird photographed in Kentucky in early May 2022. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Dorian Anderson for sharing this photo with eBird and the Macaulay Library archive.

[Image description: A songbird perched on a lichen-covered diagonal branch against a green background. The bird has brown upperparts and pale, unstreaked underparts. Text on image: Mystery Bird, Avis ignota, © Dorian Anderson / Macaulay Library, Cornell Lab.]

BIRD QUIZ: Here is a bird photographed in South Carolina in mid-April. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Pramod Prabhu for sharing this photo with eBird and the Macaulay Library archive.

[Image description: A songbird perched on a thin horizontal branch against a green background. They bird has yellow underparts, olive upperparts, and black on the head. Text on image: Mystery Bird, Avis ignota, © Pramod Prabhu / Macaulay Library, Cornell Lab.]