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Songbirds find success nesting in introduced shrubs


PhysOrg

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We all like things that are bad for us sometimes, and birds are no different. When a bird or other animal makes choices that are actually harmful for it, by reducing their lifespan, reproductive success, or something else, this is known as an 'evolutionary trap.' If birds prefer to build their nests in non-native plant species but these nests are less successful, they've fallen into such a trap. A group of researchers recently set out to determine whether this is the case for Veeries (Catharus fuscescens) nesting in invasive shrubs in the forests of New York.

 

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