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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.
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.
Nocturnality is a behavior in some non-human animals characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnal meaning the opposite. Nocturnal creatures generally have highly developed senses of hearing, smell, and specially adapted eyesight. [1]
The origins of the Nachtkrapp legends are still unknown, but a connection possibly exists to rook infestations in Central Europe. Already feared due to their black feathers and scavenging diet, the mass gatherings quickly became an existential threat to farmers and gave rooks and crows their place in folklore as all-devouring monsters.
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
Many types of animals are classified as being diurnal, meaning they are active during the day time and inactive or have periods of rest during the night time. [1] Commonly classified diurnal animals include mammals, birds, and reptiles. [2] [3] [4] Most primates are diurnal, including humans. [5]
The word scorpion originated in Middle English between 1175 and 1225 AD from Old French scorpion, [1] or from Italian scorpione, both derived from the Latin scorpio, equivalent to scorpius, [2] which is the romanization of the Greek σκορπίος – skorpíos, [3] with no native IE etymology (cfr.
Tardigrade anatomy [3]. Tardigrades have a short plump body with four pairs of hollow unjointed legs. Most range from 0.1 to 0.5 mm (0.004 to 0.02 in) in length, although the largest species may reach 1.3 mm (0.051 in).