When searching for food, slow, shy barnacle geese follow information given by their flock mates. On the other hand, fast, bold geese ignore this type of information and go off in search for food on their own. Whether barnacle ...
Plants & Animals
May 21, 2010
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(PhysOrg.com) -- A new study investigating the behavior of ravens has found strong evidence that after conflicts bystanders appear to console and relieve the distress of victims with whom they have a relationship, and that ...
Last summer, physicist Suzanne Amador Kane at Haverford College in Pennsylvania set up an experiment looking at how flocks of small birds on her campus -- swallows -- defend themselves from predators by ganging up and forming ...
Plants & Animals
May 4, 2010
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(PhysOrg.com) -- Pigeon flocks are guided by a flexible system of leadership in which almost every member gets a ‘vote’ but the votes of high-ranking birds carry more weight, a new study has shown.
Plants & Animals
Apr 8, 2010
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Biologists have discovered that a species of Australian pigeon has a secret way of alerting fellow birds to predators -- a "whistle" emitted by flapping wings when the bird takes off in alarm.
Plants & Animals
Sep 1, 2009
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(AP) -- The world's only naturally migrating whooping cranes, and the species' best chance for survival, died at about twice their normal rate last year and will likely see an overall drop in their numbers, a worrying sign ...
Ecology
Aug 25, 2009
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Chickens kept in litter-based housing systems, including free-range chickens, are more prone to disease than chickens kept in cages, according to a study published in BioMed Central's open access journal Acta Veterinaria ...
Jan 15, 2009
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