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Crepuscular, a classification of animals that are active primarily during twilight, making them similar to nocturnal animals. Diurnality, plant or animal behavior characterized by activity during the day and sleeping at night. Cathemeral, a classification of organisms with sporadic and random intervals of activity during the day or night.
The distinction is not absolute, because crepuscular animals may also be active on a bright moonlit night or on a dull day. Some animals casually described as nocturnal are in fact crepuscular. [2] Special classes of crepuscular behaviour include matutinal, or "matinal", animals active only in the dawn, and vespertine, only in the dusk.
Just as the first pair of legs are modified into forcipules, the back legs are modified into "ultimate legs", also called anal legs, caudal legs, and terminal legs. [5] Their use varies between species, but does not include locomotion. [6] [7] The ultimate legs may be elongated and thin, thickened, or pincer-like. [7]
Basic moth identification features. While the butterflies form a monophyletic group, the moths, comprising the rest of the Lepidoptera, do not. Many attempts have been made to group the superfamilies of the Lepidoptera into natural groups, most of which fail because one of the two groups is not monophyletic: Microlepidoptera and Macrolepidoptera, Heterocera and Rhopalocera, Jugatae and ...
Bioluminescence is the production of light by living organisms. This list of bioluminescent organisms is organized by the environment, covering terrestrial, marine, and microorganisms. Terrestrial animals
The creature has a “pavement like covering” on its body, researchers said in a new study. Deep-sea creature — with 5 elongated arms — is a ‘beautiful’ new species. See it
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Ljósálfar – Light elves in Nordic mythology. Lutin - A lutin is a type of hobgoblin in French folklore and fairy tales. Female lutins are called lutines. Manticore – Creature with a man's head, a lion's body, bat wings, and a scorpion tail. Mermaid, merman – Women and men with the lower bodies of fish.