Download Barn Swallow Behavioral Adaptations Gif. The barn swallow (hirundo rustica) is the most widespread species of swallow in the world. The barn swallows of north america journey over most biologists are conditioned to think that changes this extreme must be a result of some drastic change that necessitates adaptation, via natural.
Indeed, it is now rare to. Abstract the long outermost tail feathers of barn swallows hirundo rustica have white spots that are larger in males than in… previous studies of the socially monogamous barn swallow (hirundo rustica) have shown that males that most frequently engage in… Møller ap, de lope f, saino n (1995a) sexual selection in the barn swallow hirundo rustica.
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Underparts are buff or cinnamon with a dark chestnut throat. Barn swallows fly in a zigzag manner at the speed of 11 meters per second. View barn swallow research papers on academia.edu for free. Barn swallows often cruise low, flying just a few inches above the ground or water.