Assertion: whale | /r/HasProperty | underwater
Facets:
value: for more than 30 minutes
type: TEMPORAL
value: usually
type: TEMPORAL
value: straight up
type: MANNER
value: with its head
type: MANNER
value: for up to two hours
type: TEMPORAL
Source sentences:
text: Some whales, such as the Sperm Whale, can stay underwater for up to two hours holding a single breath.
text: Spyhopping' is when a whale sits straight up in the water with its head straight up and out of the water.
text: They can dive to extreme depths -- up to 1500 m (4920 ft) -- and stay under water about 25 minutes.
text: Some of the features whales share with other mammals include being warm-blooded, which requires these marine mammals to develop a layer of fat (commonly known as blubber) in order to stay warm in cold climates; this is especially important for whales because they live in the water and the cold water can be very damaging to the whale and even cause death if the whale did not possess blubber to keep them warm.
text: They drown if they remain underwater for more than 30 minutes.
text: If a whale remains under water for more than 30 minutes it will drown.
text: Typically they dive to about 20m (66ft) though the deepest recorded is 647m (2,123ft), they usually stay underwater for less than 10 minutes, but have been measured at more than 17.