Birds use a universal distress call when #BroodParasites are near.
#languageevolution

Cowbirds are surprisingly polite to each other.
Game acknowledges game, I suppose.
#birds
#broodparasites
#birddisplays

Happy Mother’s Day from the cowbirds who appreciate your services and couldn’t have done it without you. #broodparasites #badjokes #birds

The last Friends of the Week is also our first highlight of brood parasites! Imagine if humans did this, that would suck. Art: @asturart.bsky.social #broodparasites #fish #parasites #biology #science

Last week’s #sundaybirdtrivia answer is in. The hosts? Northern Mockingbirds. The dump-your-kids-and-flee crowd? Brown-headed Cowbirds. #birds #nests #birdnests #birding #broodparasites #nomo

Arms race between #ant societies: Gene activity in defenders depends on invading slavemaking #ants www.uni-mainz.de/presse/aktuell/7703_ENG_... #SocialInsects #AntColonies #BehavioralEcology #BroodParasites #parasitism #temnothorax #biology #GeneExpression...