whale
A
whale is a large marine mammal that belongs to the order Cetacea, which also
includes dolphins and porpoises. There are two main types of whales: baleen
whales and toothed whales.
Baleen whales,
such as the humpback whale and the gray whale, have comb-like structures called
baleen in their mouths that they use to filter food out of the water. They
typically feed on small organisms like krill and plankton.
Toothed whales,
such as the killer whale, sperm whale and the beluga whale, have teeth and
typically hunt for larger prey like fish, squid and marine mammals.
Whales are known
for their intelligence and complex social structures, and they are also known
for their distinctive vocalizations. They are some of the largest animals in
the world and can grow to be more than 100 feet long and weigh more than 200
tons.
Whales migrate
long distances between feeding and breeding grounds. For example, the humpback
whale travels up to 16,000 km (10,000 mi) from the feeding grounds in the
Antarctic to breeding grounds near the equator.
Sadly, many
whale species are facing threats from human activities such as hunting,
pollution, and climate change. Some species have been heavily hunted for their
meat, oil and other products, this led to a significant decline of population
for certain species, and many are now considered endangered.
Nowadays, many
conservation efforts are being done to help protect these magnificent creatures
and ensure their survival for future generations.
Whale feed and habitat
Whale
feeding and habitat vary depending on the species. Some whales, such as baleen
whales, filter feed on small organisms such as krill and plankton. Other
whales, such as killer whales and sperm whales, are predatory and feed on fish,
squid, and marine mammals. In terms of habitat, whales can be found in oceans
all over the world, but different species have different preferred habitats.
For example, some whales migrate long distances between feeding and breeding
grounds, while others are found in specific regions year-round.
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