Carla Cáceres, a professor of evolution, ecology and behavior and director of the School of Integrative Biology, ...received the Executive Officer Distinguished Leadership Award, which recognizes outstanding academic leadership and...

Brown-headed cowbirds show a bias in the sex ratio of their offspring depending on the time of the breeding season, researchers report in a new study. More female than male offspring hatch early in the breeding season in May, and more male hatchlings emerge in July.

What do Covid-19, Ebola, Lyme and AIDS have in common? They jumped to humans from animals after we started destroying habitats and ruining ecosystems.

Dear SIB Community, At the end of May, 2020, Chancellor Jones sent out an email with a powerful message of unity for this campus - we must come together and care for one another. He reminds us that the University of Illinois is a "...

This is the story of three bird species and how they interact. The brown-headed cowbird plays the role of outlaw: It lays its eggs in other birds’ nests and lets them raise its young – often at the expense of the host’s nestlings. To combat this threat, yellow warblers have developed a special “...

Researchers sequenced the genome of the orangethroat darter, pictured, and compared it with that of the rainbow darter, a closely related species. They also hybridized the two species to determine the factors that drive them to diverge.

Eight professors at the University of Illinois at Urbana-Champaign, to include Entomology's and EEB's Andrew Suarez, have been elected 2019 Fellows of the American Association for the Advancement of Science. Suarez, a...

Cowbirds outsource parenting to other species, but an innate password tells their children to copy cowbird songs. Chicago's Sarah London, Illinois' Mark Hauber and Tokyo's...

Many new parents are familiar with terms like “baby brain” or “mommy brain” that hint at an unavoidable decline in cognitive function associated with the hormonal changes of pregnancy, childbirth, and maternal caregiving. A new study of parental care in stickleback fish is a reminder that such...

Researchers at the University of Illinois have shown through a multi-year study that cowbirds (Molothrus ater) conform to Bateman’s Principle, which holds that reproductive success is greater in males than in females when they have more mates. Cowbirds are distinct from 99% of other bird...