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Home »» Frogs & Toads »» Hylidae (Treefrogs) »» Cuban Treefrog (Osteopilus septentroinalis)


Cuban Treefrog (Osteopilus septentroinalis)species of least concern





Description: Cuban tree frogs are the largest tree frogs in North America, ranging from 2 to 5.5 inches in length. Cuban tree frogs are mostly gray, brown, or green, with young frogs having more green coloration than adults. These frogs have rough, warty skin with blotchy or mottled patterning. Cuban tree frogs have the ability to change their color and pattern to camouflage themselves. The inner thighs of these frogs are bright yellow, which helps to confuse a predator when the frog jumps and reveals the color. The toes have sticky pads that are useful in their arboreal life.

The skin on their heads is fused to the skull; if the head of an adult frog is rubbed (between the eyes), the skin does not move. This special adaptation prevents water loss, since fewer blood vessels occur in the "co-ossified" (fused) area. Cuban tree frogs are able to secretes a toxic mucus from their skin which can cause a fiery sensation if it makes contact with a person's eyes.


Habitat: Cuban tree frogs are known to inhabit a variety of habitats, including estuaries, low-density suburban development, small towns, agricultural areas, particularly ones with exotic plants, and lowland forests and swamps. Within their habitats, they can be found in damp, shady areas, particularly around shrubs and trees, by cisterns, rain barrels,[14] and buildings. They like to be near medium and large sized trees and prefer conditions where the temperature lies above 10 degrees celsius.


Range: The Cuban tree frog is native to Cuba, the Bahamas, and the Cayman Islands. This large frog has been introduced in Puerto Rico, the US Virgin Islands, and the British Virgin Islands. Whether the species was native to the Key West region of Florida is debated, or if it was introduced to the area. First discovered in the 1930s, these frogs arrived via cargo ships in the 1800s. They can survive in brackish water, which may have helped the species to spread to various islands. The Cuban tree frogs' progressive colonization into the mainland of Florida is believed to be abetted by use of State Road A1A construction during the 1940s. The species is now established in southern Florida and parts of the panhandle region, and can be found as far north as South Carolina.


Found in these States: FL | GA | HI | LA | NC | TX |


Diet: Being very voracious, this tree frog will eat almost anything large enough to fit in its mouth, including smaller frogs.


Reproduction: As with most frogs, female Cuban tree frogs are larger than males. During the breeding season, the male will have a black nuptial pad on his hand or wrist that helps him hold onto the female during amplexus. Cuban tree frogs breed year round depending on the conditions, preferring to breed during the wetter months. Optimal conditions are considered to be 81.5 ℉ with high humidity (97.8%) and rain. A female can lay several hundred eggs to over a thousand in a single clutch. Eggs can hatch in under 30 hours and tadpoles can fully develop in one month. They have wide caudal fins and two rows of labial teeth on the top of their mouths and four rows on the bottom. Tadpoles survive on algae and will occasionally eat other tadpoles, and on rare occasions, recently metamorphosed juveniles. After metamorphosis, froglets are between 0.55 and 0.67 inches long.[


Status: This large frog directly impacts native ecosystems by eating native frogs, lizards, and snakes, and poses a threat to the biodiversity of the areas into which it spreads by causing native tree frog populations to decline. These effects are most noticeable in urban and suburban areas, where native tree frogs, such as the American green tree frog (Dryophytes cinerea) and the squirrel treefrog (Dryophytes squirella) are rapidly disappearing. It has spread throughout peninsular Florida, and is also commonly found in isolated populations as far north as southern Georgia. It is inadvertently carried on vehicles or ornamental plants, spreading to new areas, and has been transported as far north and west as Saskatchewan, Canada. Because of its effects on the biodiversity, some experts have recommended killing the animal when it is found in a new habitat. This can be done, most humanely, through the application of Orajel to the abdominal skin, waiting fifteen minutes for the frog to be fully anaesthetized, and then placing it in a freezer for a few hours.


Subspecies: None


Taxonomy:

»» Kingdom: Animalia - Animals
   »» Phylum: Chordata - Chordates
     »» Subphylum: Vertebrata - Vertebrates
       »» Class: Amphibia - Amphibians
         »» Order: Anura - Frogs & Toads
           »» Family: Hylidae - Treefrogs
             »» Genus: Osteopilus
               »» Species: Osteopilus septentroinalis - Cuban Treefrog
                 »» Subspecies: None

This article uses material from the Wikipedia article "Cuban Treefrog", which is released under the Creative Commons Attribution-Share-Alike License 3.0. Content may have been omitted from the original, but no content has been changed or extended.

 

 

 

 

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Disclaimer: ITIS taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. However, it is not a legal authority for statutory or regulatory purposes. While every effort has been made to provide the most reliable and up-to-date information available, ultimate legal requirements with respect to species are contained in provisions of treaties to which the United States is a party, wildlife statutes, regulations, and any applicable notices that have been published in the Federal Register. For further information on U.S. legal requirements with respect to protected taxa, please contact the U.S. Fish and Wildlife Service.

 

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