Unit 3. Animal Facts

MEET THE GOOSE

Geese are waterfowl belonging to the tribe Anserini of the family Anatidae.The term goose applies to the female in particular while gander applies to the male in particular. Young birds before fledging are called goslings. The collective noun for a group of geese on the ground is a gaggle; when in flight, they are called a skein, a team or a wedge; when flying close together, they are called a plump.

Geese migrate

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Here is a text about how geese migrate through the Himalayas. Clik on the link.

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MEET THE TERRIBLE T-REX

Tyranosaurus Rex

Tyrannosaurus rex ("tyrant lizard"; rex meaning "king"), commonly abbreviated to T.rex, lived throughout what is now western North America. Fossils are found in a variety of rock formations dating 68 to 66 million years ago. Tyrannosaurus was a bipedal carnivore with a massive skull balanced by a long, heavy tail. Relative to its large and powerful hind limbs, Tyrannosaurus fore limbs were short but unusually powerful for their size and had two clawed digits. Although other theropods rivaled or exceededTyrannosaurus rex in size, it was the largest known tyrannosaurid and one of the largest known land predators. In fact, the most complete specimen measures up to 12.3 m (40 ft) in length, up to 4 metres (13 ft) tall at the hips, and up to 6.8 metric tons (7.5 short tons) in weight. By far the largest carnivore in its environment, Tyrannosaurus rex may have been an apex predator, although some experts have suggested the dinosaur was primarily a scavenger. Scientists now agree that Tyrannosaurus rex was an opportunistic carnivore, acting as both a predator and a scavenger. It is estimated to be capable of exerting one of the largest bite forces among all terrestrial animals.

Now watch the following video which compares the T-rex with the spinosaurus.

Watch the following video about the extinction of dinosaurs.

Asteroid Attack - What Really Killed the Dinosaurs?

Explore science games on extinct animals at NeoK12