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Bird Behavior

These Early Nesters Get a Head Start on Breeding Season
March 17, 2022 — Not every bird species waits for spring to lay eggs and raise chicks.
Bird Nests and Breeding
The ‘Big Boom Theory’ That Could Help Conserve Common Nighthawks
January 14, 2022 — New research confirms that males’ wing-boom sound marks hard-to-find nesting sites—a boon for efforts to save these mysterious, declining birds.
Bird Science
Warmer Oceans Raise the ‘Divorce’ Rate Among Typically Loyal Albatross Pairs
November 24, 2021 — A new study of Black-browed Albatrosses provides a reminder that climate change can affect birds in unexpected ways.
Bird Science
Ask Kenn: Why Have Roseate Spoonbills Invaded the North This Summer?
August 31, 2021 — Also this month: Is fall really the hardest season for identifying birds? Kenn Kaufman doesn't think so.
Bird Questions and Facts
Five Incredible Ways Birds Change Their Bodies for Spring and Fall Migration
April 09, 2021 — To power perilous journeys, birds undergo extreme feats like doubling their body weight and rearranging or even consuming their internal organs.
Bird Migration
Do Yourself a Favor This Spring: Go See the American Woodcock’s ‘Sky Dance’
March 26, 2021 — Timberdoodles have one of the wildest mating rituals among North American birds, and you should definitely check it out. Here’s how.
Birding Advice
A Northern Harrier flies in the air.
The Harrier and the Owl
October 26, 2020 — A poetic observation of interesting raptor behavior near ̽»¨¾«Ñ¡'s Gillmor Sanctuary.
ROCKIES Explore Birds
Rufous Hummingbird.
The Sugar Dome
May 07, 2020 — Watch Rufous and Broad-tailed hummingbirds face off for dominance!
ROCKIES
Sandhill Crane.
Sandhill Crane Migration & Courtship
April 15, 2020 — Spring is in the air, and that means two things for Sandhill Cranes...
ROCKIES Explore Birds
Hot, Bothered, and Parasite-free: Why Birds Sun Themselves
February 27, 2020 — Avian sunbathing has mystified ornithologists for decades, but some recent research is confirming an old suspicion that the behavior helps fend off lice.