Spring 2016 Bullfrog Blitz! Call for Volunteers!!

The Upper Merced River Watershed Council, in partnership with Yosemite National Park, is in search of volunteers to assist in bullfrog surveys this spring and summer along the Merced River. No experience necessary – FREE TRAINING included! ​

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Come out and learn about the amphibians inhabiting the river, all while helping establish baseline information on this invasive species. Bullfrogs were introduced to the west coast by humans and have out-competed native frogs, likely causing the decline of several species. Bullfrogs eat anything they can swallow:  fish, invertebrates, mammals, birds, reptiles and amphibians (including other bullfrogs). This species is also very successful at reproduction, with one female producing 20,000 eggs twice a year. 

A bullfrog eating a goldfinch!

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Yosemite National Park has eradicated bullfrogs from Yosemite Valley; the UMRWC is hoping to help continue this effort downstream! The first step is determining how many bullfrogs are present and where their strongholds are. WE NEED YOUR HELP! This project includes free training from a YNP biologist on frog identification, and in the field training on conducting visual encounter surveys. One training was conducted during Fall of 2015. The date for Spring 2016 training is TBD and surveys dates are flexible. All skill levels welcome! For more information, please contact UMRWC board member Melissa Odell at melissa@odellplanning.com or click the button below.

​Thank you and hope to see you out on the river!!

YNP biologist, Ninette Daniele, and volunteers during bullfrog survey training, Fall 2015

Contact group organizer

Learn more about American Bullfrog here