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The osprey and owls are the only raptors whose outer toe is reversible, allowing them to grasp their prey with two toes in front and two behind. This is particularly helpful when they grab slippery fish. [26] The osprey is 0.9–2.1 kg (2.0–4.6 lb) in weight and 50–66 cm (20–26 in) in length with a 127–180 cm (50–71 in) wingspan.
An osprey on nest at Loch of the Lowes, Scotland. The osprey (Pandion haliaetus) is a medium-large raptor which is a specialist fish-eater with a worldwide distribution. The subspecies Pandion haliaetus haliaetus is native to Eurasia and is found in the British Isles, where it is a scarce breeder primarily in Scotland, with smaller numbers in England and Wales.
The following list is incomplete by necessity, since the majority of extinctions are thought to be undocumented, and for many others there isn't a definitive, widely accepted last, or most recent record. According to the species-area theory, the present rate of extinction may be up to 140,000 species per year. [1]
Despite the world's last captive thylacine dying in 1936, the secretive animal wasn't declared extinct until 1986. More recently in 2007 the Baiji dolphin , a rare river dolphin native to China ...
† – A species that is globally extinct * – A species that is known to have been introduced by humans and was never present by natural immigration. Some animals have gone extinct several times and then recolonized. The date given is of the most recent extinction. Species that have been introduced or reintroduced by humans are noted.
The list of extinct mammals could go on for ages, but each animal has a unique story. With today’s advanced research, we can learn so much from animals that haven’t even existed during our ...
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The accuracy of these dates for bird extinctions varies wildly between one entry and another. 15th century. c. 1400 Haast's eagle; 16th century. c. 1500 Moa ...