Desert plants provided by homeowners offer habitat for desert bird species

[ScienceDaily]

A persistent question among urban ecology researchers has been the long-term impact of urbanization on bird species biodiversity. Specifically, they wonder whether the portions of cities with higher diversity are simply exhibiting an 'extinction debt' -- populations doomed to extinction but not yet disappeared -- or if other factors such as range shifts or local environmental changes play a role in changes in diversity.

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