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Gray Treefrogs Calling

gray treefrog 021At this time of year, bird-like trills are often heard in wetlands, where male gray treefrogs (Hyla versicolor) are calling to potential mates. The chorus ramps up at night, but the songsters can be hard to find during the day, when they often hide in tree cavities or high up in the canopy. (Their large toe pads produce mucous which allows them to adhere to smooth bark.) The colors of a gray treefrog vary with the colors of its background and environmental factors such as season and humidity, but shades of gray are most common, with black blotches on the back. Variations of brown, green, and pearl-gray colors have been noted, with green being more prominent during the breeding season. Warm, humid weather seems to elicit calls from these well-camouflaged amphibians. To watch and hear a calling gray treefrog, go to http://www.youtube.com/watch?v=2kd5c4p8-0M. (Thanks to Rachael Cohen for photo op.)

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4 responses

  1. Great pic and informative post Mary.

    June 26, 2014 at 1:59 pm

  2. AlStoops

    My absolute favorite frog. I have a pair in a terrarium, and they are a lot of fun. Will eat grasshoppers out of your hand. The male (as your photo shows) has a blackish chin.

    June 26, 2014 at 2:01 pm

  3. What a beautiful creature! Or should I say ‘handsome?’

    June 26, 2014 at 6:22 pm

  4. Rita Pitkin

    There seems to be a lot of these wonderful little things around this year, don’t know as I’ve ever heard so many! Saw a mostly gray one up close and personal, almost missed it as it blended in so well with the tree it was on.

    June 26, 2014 at 7:29 pm

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