In nature, hybridization between species is not common, but does occur. During the summers of 2014 and 2015, in the Cuyahoga Valley National Park, an unusual warbler song was heard.
Western Cuyahoga Audubon Society Member Meeting and Speaker Series 2020-2021
Program: “Hybridization of Cerulean and Parula Warblers”
Presenter: Ryan Trimbath, Ecologist, Cuyahoga Valley National Park
Date & Time: Tuesday, September 1, 2020 at 7:30 p.m.
Programs are free and open to the public. Donations are appreciated.
Description: In nature, hybridization between species is not common, but does occur. During the summers of 2014 and 2015, in the Cuyahoga Valley National Park, an unusual warbler song was heard. The birds were located, netted, banded, had tissue samples taken, and plumage information recorded. It turns out that the birds were a hybrid of a Cerulean Warbler and Northern Parula based on plumage characteristics and mitochondrial and nuclear genes. It appears that Northern Parulas are expanding their breeding range into Cerulean Warbler's range, suggesting that this hybrid combination may become more common. Why?
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Ryan Trimbath is an ecologist currently working at Cuyahoga Valley National Park in a Pathways Internship while he works on his PhD at the University of Akron in the Stable Isotope Ecology lab of Dr. Anne Wiley. Ryan has broad interests in forest ecology, conservation wildlife management, ornithology and natural history education. He was brought to Cuyahoga Valley to coordinate the parks deer management program and has been successfully running the program since 2016.
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