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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 ...
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.
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 ...
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.
The Houston toad (Anaxyrus houstonensis), [4] formerly Bufo houstonensis, is an endangered species of amphibian that is endemic to Texas in the United States. [5] [6] This toad was discovered in the late 1940s and named in 1953.
The invasive Australian redclaw crayfish was recently spotted in Southern Texas, roughly 8,000 miles away from its home. The freshwater crustacean is indigenous to the rivers of northern Australia ...
From the African tree frog to the tiger salamander, there are thousands of species of amphibians that can be found scattered all over the world. Amazing Amphibians: A 5-Day Unit Plan for Kids Skip ...
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 ...