Tadpoles are very different from adult frogs and, after a period of growth, undergo metamorphosis. To change into the adult form, they must develop limbs, lose their tail and gills and remodel their guts and head to change into an amphibian that can live
The colors found in Hyla regilla are the result of the particular arrangement of the chromatophores and their relative proportions. Green is the classical ... T. A. Lyerla and D. L. Jameson - 《Copeia》 被引量: 31发表: 1968年
Western Chorus Frogs (Pseudacris triseriata)are found over much of the eastern United States, and often co-occur with Spring Peepers. Although both Spring Peepers and Western Chorus Frogs are in the same genus, their calls are quite distinct. The calls of the Western Chorus Frog sound like som...
liver and brain plasma membranes in the freeze-tolerant wood frog, Rana sylvatica, from southern Ohio and Interior Alaska during summer, fall, and winter... AM Reynolds,RE Lee,JP Costanzo - 《Journal of Comparative Physiology B-biochemical Systemic & Environmental Physiology》 被引量: 2发表: 20...
We analyzed Ohio cricket frog tissues for a range of chlorinated organic pollutants and found significant differences in tissue concentrations of these contaminants between collection sites. We propose that environmental chemical contamination may in part be responsible for the decline of Blanchard's ...
Researchers have now found the first example of parents chemically arming their young after birth. Ralph Saporito of John Carroll University in University Heights, Ohio, and his colleagues analysed specimens of the strawberry poison frog Oophaga pumilio (pictured) from all stages of the life cycle....
We compared differences in foods found in northern pintails (Anas acuta) collected over decoys (hunter-shot; defined as pintails shot by hunters and/or collected by researchers without prior observation of feeding behavior) with foods found in pintails shot while being observed feeding in playas...
“Hello, I have recently found your amazing internet site about saving amphibians and got interested. Particularly I would like to participate in the art contest. I would really appreciate an opportunity to share some of my art and in this way spread the awareness about the amphibians.”–Jūra...
TCU Football had another massive transfer portal weekend, adding six more players (5 DBs & an OL), bringing its transfer total to 20 players, while former TCU QB Chandler Morris found his new home at North Texas. With the National Championship in the rearview and Nick Saban's retirement ...
In a 2014 study, Ralph Saporito of John Carroll University in University Heights, Ohio, found that mother frogs supply their tiny tadpoles with poison. The tadpoles absorb the toxin and become poisonous themselves. Frogs feed their tadpoles on their own unfertilised eggs, and it's this food ...