Tag: red-winged blackbirds

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...

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...