How Swainson’s Hawks target bat prey in a swarm
Research shows the hawks steer toward a fixed point rather than a single bat. Read More “How Swainson’s Hawks target bat prey in a swarm”
Science
Discoveries about birds, behaviors, migration, and more. Plus, Eldon Greij’s popular column, “Amazing Birds.”
Communication in birds driven by social connection
Young Zebra Finches learn best from a tutor, research shows. Read More “Communication in birds driven by social connection”
Meadowlark split among 2022 checklist changes
Most of this year’s changes involve species from Central America, Caribbean islands. Read More “Meadowlark split among 2022 checklist changes”
Competition, not climate, limits bird species’ ranges in tropical mountains
Study finds that species richness is a better predictor of smaller elevational ranges in birds than temperature seasonality. Read More “Competition, not climate, limits bird species’ ranges in tropical mountains”
Evening Grosbeak decline apparent on college campus
The charismatic bird once numbered at least 150,000 on Oregon State campus; recent one-day high count was fewer than 1,500. Read More “Evening Grosbeak decline apparent on college campus”
Understanding how hawks land on perches
Study uncovers how Harris’s Hawks optimize their landing maneuvers for an accurate descent, prioritizing safety over energy or speed. Read More “Understanding how hawks land on perches”
Zebra Finch study: Heat waves could lead to bird population declines
A new study about how heat impacts the behavior and physiology of Zebra Finches has implications for how the warming planet affects a wide variety … Read More “Zebra Finch study: Heat waves could lead to bird population declines”
Tracking study of Darwin’s finches finds large nightly roosts
Birds cover equivalent of 30 soccer fields daily, study shows. Read More “Tracking study of Darwin’s finches finds large nightly roosts”
Chicago region is critical to dozens of breeding bird species
‘A lot of birds in Chicago are doing better than the rest of the state and elsewhere in the nation.’ Read More “Chicago region is critical to dozens of breeding bird species”