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Courtship display and nesting behavior of Black-throated Tody-Tyrants

Male Black-throated Tody-Tyrants hover back and forth in front of a female while making a “loud, whirring sound most likely produced by his rapid wing beats.” The courtship display and nesting behavior of these birds was described by Jenna McCullough and Gustavo Londoño in The Wilson Journal of Ornithology in 2017. #mlresearch #mlvideo  

1956: Our first scientific publication to cite the use of archived recordings

#tbt to the first scientific publication to cite the use of our archived recordings in 1956: Dilger, William C. “Hostile behavior and reproductive isolating mechanisms in the avian genera Catharus and Hylocichla.” The Auk 73.3 (1956): 313-353. William C. Dilger played calls of several species of thrushes and used models of birds to document aggressive responses… Read more

Videos used to track head movements

Videos of animals in the wild are available in the Macaulay Library. Sometimes, it’s just a 3 minute video of a bird perched on a branch looking at its surroundings: RESEARCH GOLD! Researchers from Purdue University used videos from Macaulay to track head movement of 29 bird species, including this Eastern Meadowlark. They learned that… Read more

Your photo could be featured in a scientific publication

Photos submitted by users through eBird to Macaulay Library are helping illustrate scientific publications. This Gray-fronted Honeyeater by Tom Johnson/ (ML 37354101) was featured in a recent publication on the evolution of body shape and ecology of honeyeaters. #mlresearch #mluse #mlphoto

Did you know that we have audio recordings of insects?

Ants, Wasps and Bees © Michael Andersen ML 125254 This recording of a bee was used by research engineers Jian Zhoua and Ronald Miles from Binghamton University in New York to show how spider silk transmits sound directly to a spider. #mluse #mlresearch #insects #spiders

Listen to a new species of antbird!

Whistling Antbird (undescribed form) © Daniel Lane ML 224880 Researchers have just described this species from the Cordillera Azul, San Martín, Peru in the upcoming issue of The Auk…/10.1642/AUK-17-97.1 #mlresearch

New specimen pages and expanded advanced search

We are thrilled to announce two exciting updates to the Macaulay Library website- redesigned media specimen pages and expanded Advanced Search options– that will help users explore the 5+ million photos, audio recordings, and videos in the Macaulay Library archive. We hope that these new developments will make the Macaulay Library even more accessible and useful… Read more

Contributor Profile: Phil Green

Phil Green’s connection to nature makes the foundation for how he lives his life. Green is the caretaker of four islands protected by The Nature Conservancy in Washington’s San Juan Islands archipelago. Yellow Island, the eleven-acre member of the preserve he calls home, is only accessible by boat, but visitors who make the trip are… Read more

Crossbills of North America: Species and Red Crossbill Call Types 

As one of the most striking differences in bird occurrence from year-to-year in many northern regions of the world, finch irruptions are often exciting events. Will this winter have Pine Grosbeaks and Bohemian Waxwings dripping from the local crabapples? Will crossbills be crunching away in the conifers? Ron Pittaway’s finch forecast is always a much-anticipated read for… Read more