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A crab-eating macaque using a stone. Tool use by non-humans is a phenomenon in which a non-human animal uses any kind of tool in order to achieve a goal such as acquiring food and water, grooming, combat, defence, communication, recreation or construction. Originally thought to be a skill possessed only by humans, some tool use requires a ...
1938. Type. woodcut. Dimensions. 43.5 cm × 43.9 cm (17.1 in × 17.3 in) Sky and Water I is a woodcut print by the Dutch artist M. C. Escher first printed in June 1938. The basis of this print is a regular division of the plane consisting of birds and fish. Both prints have the horizontal series of these elements —fitting into each other like ...
Gannet. Gannets are seabirds comprising the genus Morus in the family Sulidae, closely related to boobies . Gannets are large white birds with yellowish heads, black-tipped wings and long bills. Northern gannets are the largest seabirds in the North Atlantic, having a wingspan of up to two metres ( feet). The other two species occur in the ...
Fishing techniques are methods for catching fish. The term may also be applied to methods for catching other aquatic animals such as molluscs ( shellfish, squid, octopus) and edible marine invertebrates . Fishing techniques include hand-gathering, spearfishing, netting, angling and trapping.
Rehabilitating Baby Birds. “When feeding our tiny crow patient we use a surrogate plastic, mama crow,” reads the caption over this video of a darling baby crow being fed. “This decoy mama ...
Bird trapping techniques to capture wild birds include a wide range of techniques that have their origins in the hunting of birds for food. While hunting for food does not require birds to be caught alive, some trapping techniques capture birds without harming them and are of use in ornithology research.
Rehabilitation of birds in the U.S. requires, per the Migratory Bird Treaty Act, that a permit be obtained from both the state wildlife agency and the United States Fish and Wildlife Service. The only birds rehabilitators can admit without a federal permit are common birds considered to be introduced invasive species: rock doves, European ...
African fish eagle in Lake Zway, Ethiopia. The African fish eagle is a large bird. The female, at 3.2–3.6 kg (7.1–7.9 lb) is larger than the male, at 2.0–2.5 kg (4.4–5.5 lb). This is typical sexual dimorphism in birds of prey. Males usually have wingspans around 2.0 m (6.6 ft), while females have wingspans of 2.4 m (7.9 ft).