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By 1960, the Houston toads were unable to be located and in 1970, the Houston toad was federally listed as an endangered species. [16] It was determined that they were extirpated from the Houston, Texas area by the 1960s, likely coincident with the severe drought of the 1950s and concurrent development of its forested habitat in that region. A ...
Gray tree frog: Found in the eastern-central portion of the state, excluding the most eastern fifth [40] LC [41] Pseudacris clarkii: Spotted chorus frog: Found in central Texas [42] LC [43] Pseudacris crucifer: Spring peeper: Found in eastern Texas [44] LC [45] Pseudacris fouquettei: Cajun chorus frog: Found throughout eastern Texas [46] LC [47]
One of Wilhelm Kühne's rabbit optograms from 1878. The window the rabbit was facing appears to be discernible in the image. Optography is the process of viewing or retrieving an optogram, an image on the retina of the eye. A belief that the eye "recorded" the last image seen before death was widespread in the late 19th and early 20th centuries ...
Bullfrog stomachs have been found to contain rodents, small lizards and snakes, other frogs and toads, other amphibians, crayfish, other crustaceans, [47] small birds, scorpions, tarantulas and bats, [48] [49] as well as the many types of invertebrates, such as snails, worms and insects, which are the usual food of ranid frogs. [50]
The skull of the ancient amphibian, measuring just over an inch (about 2.5 centimeters) long, features big oval eye sockets and — due to its slightly crushed state — a lopsided smile that ...
Using light and ultrasound imaging technology, the researchers discovered the secret: While asleep, the frogs concentrate, or “hide,” nearly 90% of their red blood cells in their liver.
Rio Grande leopard frog (Lithobates berlandieri), from Cameron County, Texas, USARio Grande leopard frogs grow from 2.2 to 4.5 inches (5.6 to 11.4 cm) in length. They are usually tan, brown, or pale green in color, with distinctive black spotting with prominent light-colored ridges down either side of their backs.
Image credits: ghgjgmhngbfghc There are over 7,000 frog and toad species on planet Earth, and they have been around for more than 200 million years, at least as long as the dinosaurs!. The world's ...