Animal Behaviour

Warming Climate Is Changing Where Birds Breed

Logan, UT — Spring is in full swing. Trees are leafing out, flowers are blooming, bees are buzzing, and birds are singing. But a recent study published in Proceedings of the National Academy of Sciences...

Reconstructing the Diet of Fossil Vertebrates

Leipzig, Germany — Information on what our ancestors ate is based mainly on carbon and nitrogen isotope analyses of the structural protein collagen in bones and dentin. Nitrogen isotope analysis, in...

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