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The common nightingale is slightly larger than the European robin, at 15–16.5 cm (5.9–6.5 in) length. It is plain brown above except for the reddish tail. It is buff to white below. The sexes are similar. The eastern subspecies (L. m. golzi) and the Caucasian subspecies (L. m. africana) have paler upper parts and a stronger face-pattern ...
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 spotted hyena is very vocal, producing a number of different sounds consisting of whoops, grunts, groans, lows, giggles, yells, growls, laughs and whines. [45] The striped hyena is comparatively silent, its vocalizations being limited to a chattering laugh and howling. [46] Whoop of a spotted hyena in Umfolosi Game Park, South Africa.
October 2, 2023 at 12:30 PM. Photo by Sean on Unsplash. A group of divers in Costa Rica recently geared up and jumped into the water off Del Coco Beach. They were immediately bombarded by loud ...
Nightjar. Nightjars are medium-sized nocturnal or crepuscular birds in the family Caprimulgidae / ˌkæprɪˈmʌldʒɪdiː / and order Caprimulgiformes, characterised by long wings, short legs, and very short bills. They are sometimes called bugeaters[1], their primary source of food being insects. Some New World species are called nighthawks.
The Hoffmann's two-toed sloth (Choloepus hoffmanni), also known as the northern two-toed sloth, is a species of sloth from Central and South America. It is a solitary, largely nocturnal and arboreal animal, found in mature and secondary rainforests and deciduous forests. The common name commemorates the German naturalist Karl Hoffmann.
Rufous morph. Tawny frogmouths are large, big-headed birds that can measure from 34 to 53 cm (13 to 21 in) long. Weights have been recorded up to 680 g (1.50 lb) in the wild (and perhaps even more in captivity), but these are exceptionally high. [6][8][9] In the nominate race, 55 males were found to weigh a mean of 354 g (12.5 oz), while 39 ...
Males make a clicking "smack" noise out of the side of their mouths as they wander in search of a mate, and females will sometimes repeat the sound in return. When separated or distressed, baby opossums will make a sneezing noise to signal their mother. The mother in return makes a clicking sound and waits for the baby to find her.