Animal minds News

Fish behavior study suggests that aquarium fish are more aggressive than wild ones

… than what you might expect to find in nature. From “Aquarium Fishes Are More Aggressive in Reduced Environments, New Study Finds” ( ScienceDaily (Sep. 22, 2011)”, we learn something that won’t surprise many: Oldfield quantified aggressive behavior as a series of displays and attacks separated by at least a second. Displays are body signals Read More…

Animal minds

Parrots learn their calls from their parents; not born with them

In “Why Do Parrots Talk? Venezuelan Site Offers Clues” (Science, 22 July 2011) Virginia Morell explains Researchers have discovered details of the parrotlets’ ecology and life histories, and the project has now entered a new phase focusing on their communicative skills. Last week, researchers reported that the contact calls of wild parrotlet nestlings—vocalizations that function Read More…