Tag: "chickadee" at biology news
Chickadees' alarm calls carry information about size, threat of predators
...ore than meets the human ear when the black-capped chickadee
lets its flock mates know a predator is lurking ab...pectrographic analysis of more than 5,000 recorded chickadee
mobbing alarm calls made under semi-natural conditions showed that the acoustic features of the call...
Bird calls may have meaning
A deep-voiced black-capped chickadee
may wonder why other birds ignore it, but there ma...er and Dr. Chris Sturdy modified the black- capped chickadee
calls, played those sounds back to the bird and observed how they reacted. They found that the chick...
Eavesdropping nuthatches distinguish danger threats in chickadee alarm calls
...) eavesdrop on the alarm calls of the black-capped chickadee
to glean information about predators in their envi... predator and chase it away. Analysis of recorded chickadee
mobbing calls indicated that the acoustic features of the calls varied with the size of the predator...