tags: researchblogging.org, evolutionary behavior, sociobiology, ornithology, birds, avian, evolution, William Dilger, Agapornis roseicollis, Agapornis fischeri, lovebirds
Peach-faced lovebirds, Agapornis roseicollis (left)
and Fischer's lovebirds, Agapornis fischeri (right),
can interbreed to produce sterile offspring.
Images: LoveBirds New Zealand.
Is behavior genetically "programmed" or is it the result of learning? Or is it instead a little bit of both? This is the old "nature versus nurture" argument that has occupied behavioral and evolutionary scientists, psychologists and even…
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