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The average size of sperm whales has decreased ... found a 1.69:1 ratio of squid to fish by weight. [162] Sperm whales sometimes take sablefish ... In comparison, ...
Size comparison between the sperm whale (blue), the pygmy sperm whale (green), and the dwarf sperm whale (orange) The dwarf sperm whale can range in size from 2 to 2.7 m (6.6 to 8.9 ft) in length and 136 to 272 kg (300 to 600 lb) in weight—less than the 4.25 m (14 ft) and 417 kg (920 lb) pygmy sperm whale.
By comparison, the modern sperm whale length measures on average 11 m (36 ft) for females and 16 m (52 ft) for males, [18] with some males reaching up to 20.7 m (68 ft) long. [19] [20] [21] The large size was probably an anti-predator adaptation, and allowed it to feed on larger prey.
Male sperm whales are sexually mature at 11 to 12 meters (36 to 39 ft), and physically mature at about 15 to 16 meters (49 to 52 ft) in length, on average. Larger-than-average females have been generally recorded around 12 to 13 meters (39 to 43 ft), and larger-than-average males are usually stated to reach a maximum of about 18 to 19 meters ...
Size comparison of an average human and a pygmy sperm whale (Kogia breviceps) This W3C-unspecified vector image was created with Inkscape . Size comparison of an average human and a dwarf sperm whale (Kogia sima).
But National Geographic says, "Sperm whales are known to dive as deep as 3,280 feet in search of squid to eat. These giant mammals must hold their breath for up to 90 minutes on such dives."
The sperm whale that beached itself off the coast of Venice in southwest Florida on Sunday has died. According to the Florida Fish and Wildlife Conservation Commission, the whale, measuring about ...
The recordings represented the voices of approximately 60 sperm whales — a subset of a group of about 400 whales known as the Eastern Caribbean clan — and the vocalizations were recorded ...