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The Gray Treefrog (Hyla versicolor) and the Cope's Gray Tree Frog (Hyla chrysoscelis) are two species of tree frog found in the United States. They are almost indistinguishable and share much of the same geographic range, although the Cope's tends to be more southerly.
The only readily noticeable difference between the two species is the call. The Cope's has a faster-paced and slightly higher-pitched call. In addition, the Cope's is reported to be slightly smaller, more arboreal, and more tolerant of dry conditions than the Gray Treefrog.
Both tree frogs inhabit a wide range, and can be found in most of the eastern half of the United States, as far west as central Texas and Oklahoma. They also range into Canada in the provinces of Quebec, Ontario, and Manitoba, with an isolated population in New Brunswick.
Both tree frogs are most common in forested areas, as they are highly arboreal. Their calls are often heard in rural residential areas of the East Coast and the Midwest. They prefer to breed in semi-permanent woodland ponds without fish, but also lay eggs in swamps, vernal pools, man-made fountains and water gardens, and even in rainwater filled swimming pool covers
Both species are variable in color, mottled gray to gray-green, resembling the bark of trees. They are relatively small compared to other North American frog species, typically attaining no more than 1.5 to 2 inches (3.8 - 5.1 cm) in length measured from nose to vent. Their skin has a lumpy texture, giving them a warty appearance. The female is usually larger than the male.
Both have bright-orange patches on their hind legs, which distinguishes them from other tree frogs. The bright-yellow pattern is normally hidden, but exposed when the frog leaps. This "flash pattern" likely serves to startle a predator as the frog makes its escape. Both species are slightly sexually dimorphic. Males have black or gray throats in the breeding season, while the throats of the females are lighter.
Last but not least, both frogs are variable in color owing to their ability to camouflage themselves from gray to green, depending on the substrate where they are sitting. The degree of mottling varies. They can change from nearly black to nearly white. They change color at a slower rate than a chameleon. Dead frogs and ones in unnatural surroundings are predominantly gray.
ISO400, aperture f/10, exposure .003 seconds (1/400) focal length 300mm
I found this green treefrog (Hyla cinera) greeting the morning sun while looking for dragonflies. There was a smaller one below him on another leaf. No dragonflies this morning, but I'll take this fine looking fellow any day!
Perfect for the holiday season: a neotropical frog from our Ecuador field site that is more commonly referred to as the Christmas Treefrog!
I don't think I have seen a grey one before.
but I only had my 500mm with me, I think it turned out .
Agalychnis callidryas
An iconic species of the rainforests of central and south America, these treefrogs are large and stunning.
Surprised to see this tiny tree frog on the second floor of the nature center building!! Oh that adorable speckled belly! The naturalist there told us the tree frogs in that area are Cope’s, not Gray; they can only be differentiated by their vocalizations.
Es una rana arbórea nocturna que habita los bosques húmedos y húmedos de las tierras bajas cerca de las piscinas rocosas poco profundas, y los bancos de la corriente. Puede sobrevivir en el bosque secundario, pero generalmente necesita una buena cobertura vegetal. En Costa Rica, se ha observado en áreas relativamente abiertas.
Pugnosed Treefrog
Rana arboricola ñata
(smilisca sila )
Pseudacris sierra, or Sierran Treefrog, in its tadpole stage resting in Picchetti Pond. Today I noticed that this one barely moved when I moved a stick towards it. This species is quite common in this area, especially after our rainy winter.
In our woods, Chatham-Kent, Ontario. I've been walking in these woods for sixty years and have never seen one of these before.
Hyla versicolor
A stunning individual found active during a heavy thunderstorm in southeast Michigan. This population contains a high amount of green coloration amongst individuals, which helps them match the mossy bark of the wooded swamps they inhabit.
A waxy monkey treefrog (Phyllomedusa bicolor) from Surama, Guyana.
Very cooperative frog, if you look at the EXIF data you'll see this is actually a 15 second exposure.
Explored Aug 28. 2011 - #149
I was checking on some Tradescantia pallida cuttings that I have starting in a mason jar out in my screened in porch when I had this funny feeling that I was being watched.
This half-grown Cuban had secreted itself down the mouth of the jar within the foliage just above the water line, and looked quite cozy in there. It can get pretty dry here in this part of Florida in the fall, so this looks like the perfect place for one of these to hide. It jettisoned itself out and into the ground cover I have out there after I took a few frames, so I have to keep my eye out for him now.
XROX bbb
Masked Treefrog (Smilisca baudini)
Found Cusuco National Park, Honduras, Central America. Summer 2009.
Large View On Black