"bird" nach Englisch mit Beispielen - Kollokationen-Wörterbuch Englisch
- Some flightless varieties of island birds are closely related to flying varieties.
- Some flightless varieties of island birds are closely related to flying varieties, implying flight is a significant biological cost.
- The island birds, owing to reduced exposure to infections and low genetic diversity, appear to be more susceptible to infections due to a weaker immune response.
- Like many other island birds, they lost the power of flight because it was no advantage where they lived.
- By one measure, he writes, "an island bird faces about 50 times as great a likelihood of extinction as a mainland bird."
- Many island birds become flightless, including the Aldabran rail and the extinct dodo of Mauritius.
- The susceptibility inherent of many island birds is undoubtedly due to evolution in the absence of mainland predators, competitors, diseases and parasites.
- Clearly, island birds face a much higher probability of extinction than mainland birds do.
- The mainstay of their food supplies was the profusion of island birds, especially gannet and fulmar.
- Conservation of island birds.
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