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The diverse geography of Texas, the second-largest state, hosts a variety of habitats for amphibians, including swamps and the Piney Woods in the east, rocky hills and limestone karst in the central Hill Country of the Edwards Plateau, desert in the south and west, mountains in the far west (the Trans-Pecos), and grassland prairie in the north ...
Most toxic amphibians are poisonous to touch or eat. These amphibians usually sequester toxins from animals and plants on which they feed, commonly from poisonous insects or poisonous plants . Except certain salamandrid salamanders that can extrude sharp venom-tipped ribs, [ 1 ] [ 2 ] and two species of frogs with venom-tipped bone spurs on ...
Amphibians have soft bodies with thin skins, and lack claws, defensive armour, or spines. Nevertheless, they have evolved various defence mechanisms to keep themselves alive. The first line of defence in salamanders and frogs is the mucous secretion that they produce. This keeps their skin moist and makes them slippery and difficult to grip.
Drymarchon melanurus erebennus, commonly known as the Texas indigo snake, is a subspecies of large, nonvenomous snake in the family Colubridae. The subspecies is native to Texas in the United States and adjacent Mexico .
This is a list of official U.S. state, federal district, and territory amphibians. State amphibians are designated by tradition or the respective state legislatures. [1] As of 2023, only 28 states and one territory have a state amphibian.
Amphibians are in decline worldwide, with 2 out of every 5 species threatened by extinction, according to a paper published Wednesday in the scientific journal Nature. More than 2,000 species of ...
Many temnospondyls are much larger than living amphibians, and superficially resemble crocodiles, which has led many taxa to be named with the suffix -suchus.The largest taxa, which were predominantly the Mesozoic stereospondyls, had skulls exceeding one meter in length, and the entire animal would have been several meters in length (for reference, the largest living amphibian, Andrias, is ...
Crataegus texana is a perennial tree [4] that grows to be about 25 feet tall [5] and has long, sharp thorns. It has shiny, dark green leaves that can grow to be between 0.75 and 1.5 inches long. Its simple leaves [4] have toothed leaf margins with a parallel veination. [2] Their leaves are ovate in shape, acute at the apex, and cuneate at the ...