Tyrannus verticalis (western kingbird)
Here's what happens if two Western Kingbirds think you're getting a little too close to their baby, which is sitting in the tree right above your head (you discover after you are repeatedly dive-bombed while recording). Note how similar their "alarm" call is to so many other bird species'.
Douglas Von Gausig (recordist; copyright holder), Naturesongs.com

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To cite this page: Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2013. The Animal Diversity Web (online). Accessed at http://animaldiversity.org.
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