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THE SINGING HUMPBACK WHALE

A. When a ... Humpback reaches the breeding areas off the east and west coasts of Australia, it sings a song which lasts from six to 35 minutes and may be heard underwater up to 185 kilometres away. All ... in an area sing the same song. The song changes from season to season. ... gather around ... to compete for their attention and leap from the water and roll in mid-air. After mating, the whales migrate to the Antarctic and spend three to four months feeding on krill, then swim north again. A ... gives birth just under 12 months

after mating. The young one suckles for seven months and stays with its mother for up to three years.

B. The Australian Brush-turkey lives in forest. The ... defends a mound and will only allow a ... onto it to lay an egg when he considers the internal temperature is suitable. She may lay in several mounds in an area.

С. Emus move from place to place according to the availability of their plant and insect food. The ... courts the ... , mates with him, then lays up to 15 green eggs. During the 55 days during which the ... incubates, he does not eat, drink nor defecate. The young feed themselves, and stay with the ... for up to 6 months.

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