F Video 4 of 10 L
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Views: 1,340
Added: 11 years ago.
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Video Description


Broadcast 11 December 2002, the fourth episode examines rodents, which are characterised by strong, sharp, continuously growing incisors. These enable the animals to eat food that others find impossible, such as nuts or wood, and have enabled them to become the most successful and numerous of all mammals. Attenborough visits the forests of Virginia, where the grey squirrels are able to differentiate between the acorns of the red oak and the white oak: eating the latter and storing the former. Seed-eaters can live almost anywhere, and the desert-dwelling kangaroo rat uses its cheek pouches to transport its supply back to its burrow. A family of beavers is shown in Wyoming. Their construction skills have enabled the building of a dam, which has given them a lake so they can safely swim and forage in the nearby woodland. Infrared cameras are installed in their lodge during winter and a pair of muskrats are revealed to be sharing it. Many rodents are nocturnal, and a porcupine is shown warning off a young leopard. The naked mole rat is a burrower that, like bees and ants but unlike any other mammal, lives colonially with castes of individuals. Rats and mice are the largest group of rodents, comprising some 1,300 species. They reproduce rapidly: a female house mouse can become pregnant at five weeks old, and a plague of the creatures is shown exploiting a grain store. The world's largest rodent is the capybara, a semi-aquatic animal from South America.

Documentary Description


The Life of Mammals is a BBC nature documentary series written and presented by David Attenborough, first transmitted in the UK from 20 November 2002. A study of the evolution and habits of the various mammal species, it was the fourth of Attenborough's specialised surveys following his major trilogy that began with Life on Earth. Each of the ten episodes looks at one (or several closely related) mammal groups and discusses the different facets of their day-to-day existence. All the programmes are of 50 minutes' duration except the last, which extends to 59 minutes. The series was produced in conjunction with the Discovery Channel. The executive producer was Mike Salisbury and the music was composed by Dan Jones and Ben Salisbury. It was later shown on Animal Planet. Part of David Attenborough's 'Life' series, it was preceded by The Life of Birds (1998), and followed by Life in the Undergrowth (2005). However, in between the former and this series, David Attenborough presented State of the Planet (2000) and narrated The Blue Planet (2001).



Source: Wikipedia

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