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How does a hybrid lovebird's method of carrying nest materials compare with that of its parents? What does this comparison suggest about whether the behavior is instinctive or learned?
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Animal behaviorists observed that one species of lovebird carries nest building materials in its beak. Another species of lovebird carries the material under its feathers. Hybrid offspring are produced by breeding these two species. The hybrids repeatedly shift the material between their beaks and their feathers while carrying it. What conclusion can be drawn about the influence of genetics on behavior from the results of this experiment?
When nest building, a female Fisher's lovebird cuts long strips of vegetation and carries them to the nest site one at a time in her beak. The peach-faced lovebird cuts short strips and carries them to the nest tucked under back feathers. Hybrid offspring cut intermediate sized strips and attempt to tuck them under back feathers before carrying them in their beaks. What does this demonstrate about behavior? the smaller the strip, the easier it is to carry there is a genetic basis to behavior environment is important in forming behaviors lovebirds can be trained easily
Two related species of African lovebirds exhibit very different ways of carrying nesting material back to the nest: The Fisher's lovebird carries nesting material back using its beak, while the peach-faced lovebird tucks nesting material in the feathers of its rump. The observation that hybrid lovebirds exhibit intermediate behaviors suggests that nest-building behavior in lovebirds is due to: Select one: environmental factors. gene by environment interaction. genetic factors.
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