Tag: red-winged blackbirds

April 7, 2020

Blackbirds heed warbler warnings about cowbird danger

To keep their nests safe, blackbirds are homing in on warbler warning signals about dangerous brood parasitic cowbirds. But the exchange is not one-sided — previous research has found that...

March 20, 2020

Red-winged blackbirds’ genes change when cowbirds are near

When brood parasitic brown-headed cowbirds are nearby, red-winged black birds’ genes function in similar ways to when they respond aggressively toward their own species, researchers found. “We always wanted to...