Page 99 - World of Animals - Book of Sharks & Ocean Predators

Humpback whales
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Greenland sub-population
This sub-population feeds as far
north as west Greenland, Iceland and
north Norway. It spends April through
North-Atlantic humpbacks November in these highly produ ctive
Sub-populations form on feeding feeding grounds. .
grounds, including the Gulf of Maine and
eastern Canada. As winter approaches
they make the 2,400-kilometre (1,500-
mile) trip to the West Indies.
An Alaskan summer
Humpbacks spend
their summers in the
cold waters off Alaska North America
where food is abundant.
They put on as much as
6,800 kilograms (15,000
pounds) to last the winter. North-east Pacifi c
Some whales leave
the feeding grounds Atlantic ocean Divided populations
in Alaska and head Some of these sub-
south. Sometimes populations join the other
Pacifi c ocean older juveniles will go humpbacks in the West
on ahead, while senior Indies, while the rest
whales stay behind. move south to the Cape
Verde islands off the
The West Indies western coast of Africa
A tropical winter The most populous breeding area to breed.
Humpbacks can make the is along the northern coast of the
4,830-kilometre (3,000-mile) Dominican Republic and includes Silver
journey to Hawaii in as little as 36 Bank marine sanctuary. Africa
days. The lack of predators, warm
waters and underwater visibility
make the islands perfect for
mating and calving. South America

Key
Pacifi c population
West-Atlantic population
East-Atlantic population

Antarctic ocean 99
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