(PhysOrg.com) -- Spotted Bowerbirds (Ptilonorhynchus maculatus) are best known for their nests, but these birds are also capable of mimicking the vocalizations of many different species of birds. It was believed bowerbirds ...
(PhysOrg.com) -- Researchers in the US studying the behavior of black-tailed prairie dogs at a local zoo have discovered they behave differently, kissing and cuddling each other more when people are watching than when they ...
Thirty-two years ago, Penn biologist Daniel Janzen broke some ribs falling into a ravine in the Area de Conservacion Guanacaste in northwestern Costa Rica. Sore and unable to leave his chair beneath a 25-watt light bulb deep ...
Plants & Animals
Aug 5, 2010
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(PhysOrg.com) -- Lions, tigers and bears top the ecological pyramid-the diagram of the food chain that every school child knows. They eat smaller animals, feeding on energy that flows up from the base where plants convert ...
Ecology
Apr 15, 2010
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Lions, tigers and bears top the ecological pyramid -- the diagram of the food chain that every school child knows. They eat smaller animals, feeding on energy that flows up from the base where plants convert sunlight into ...
Plants & Animals
Apr 5, 2010
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When it comes to investigating mysteries, Sherlock Holmes has nothing on Rice University biologist Amy Dunham. In a newly published paper, Dunham offers a new theory for one of primatology's long-standing mysteries: Why are ...
Plants & Animals
Jul 14, 2009
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