PhysOrg Posted April 8, 2021 Share Posted April 8, 2021 Avian brood parasites lay their eggs in the nests of other bird species, forcing the hosts to do the hard work of raising the unrelated young. A team of scientists wanted to simulate the task of piercing an egg—a tactic that only a minority of host birds use to help grasp and eject the foreign eggs. Their study offers insight into some of the physical challenges the discriminating host birds face.View the full article Quote Link to comment Share on other sites More sharing options...
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