The boiling frog is an anecdote describing a frog slowly being boiled alive. The premise is that if a frog is placed in boiling water, it will jump out, but if it is placed in cold water that is slowly heated, it will not perceive the danger and will be cooked to death. The story is often used as a metaphor for the inability or unwillingness of people to react to threats that occur gradually, such as creeping state surveillance. According to contemporary biologists, the premise of the story is false: a frog submerged and gradually heated will jump out. However, some 19th-century experiments suggested...

For another species commonly known as the red-eyed tree frog, see Litoria chloris The red-eyed tree frog (Agalychnis callidryas) is an arboreal hylid native to Neotropical rainforests where it ranges from Mexico, through Central America, to Colombia. It is sometimes kept in captivity. The scientific name of red-eyed tree frog, Agalychnis callidryas, comes from Greek words kallos (beautiful) and Dryas (a tree or wood nymph). As its name suggests, the red-eyed tree frog has red eyes with vertically narrowed pupils. It has a vibrant green body with yellow and blue vertically striped sides. Its webbed...