Science

About a third of the bird species nesting in Chicago have moved their egg-laying up by an average of 25 days. Read More “Study: Birds lay eggs earlier due to climate change”

GPS tracking study finds male parents guide juveniles from northern Europe to Africa. Read More “Young Caspian Terns follow dad on first migration”

Study: Eastern Whip-poor-wills from across the Midwest all traveled a similar migratory path and moved at nearly the same time in the fall. Read More “Whip-poor-wills make synchronized trip south”

Nearly 50 percent of birds sampled showed evidence of repeated exposure to lead. Read More “Study: Lead poisoning in Bald and Golden Eagles is widespread”

Research into birds’ brain sizes links cognitive power to a physical response to climate change. Read More “Study suggests trouble for warblers, thrushes”

Torpor, the energy-saving state of inactivity used by hummingbirds and a few other species, can be fine-tuned by the birds based on circumstances. Read More “Study: Torpor in hummingbirds variable and flexible”

Spending time with offspring is critical to their survival, research shows. Read More “Darwin’s finches altering behaviors due to parasitic fly”

Valuable hooked tools more likely to be kept safe between uses. Read More “New Caledonian Crows recognize the value of better tools”