Quantcast

Latest Mobbing behavior Stories

fb3706f35f8f11bc75f51fbcd1009f041
2009-01-29 15:00:02

Reed warblers use mobbing as a front line of nest defense against parasitic cuckoos, according to a new report published online on January 29th in Current Biology, a Cell Press publication. Cuckoos act as parasites by laying their eggs in the nests of other birds, reed warblers in particular, burdening their hosts with the trouble of raising young that don't belong to them. "Historically, determination of the effectiveness of nest defense against brood parasitism has proven difficult," said...

5a0f919942ea6527fc2432712c75d79e1
2005-06-23 13:45:00

There's more than meets the human ear when the black-capped chickadee lets its flock mates know a predator is lurking about by giving out its familiar "chick-a-dee-dee-dee" call. The small songbirds, which are common throughout much of North America, use that signature call in a wide variety of social interactions including warning of predators. And it turns out that those alarms are far more subtle and information-packed than scientists previously imagined. Writing in the current issue of...


Word of the Day
malpais
  • The ragged surface of a lava-flow.
'Malpais' translates from Spanish as 'bad land.'