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Baleen whales have two blowholes positioned in a V-shape, while toothed whales have only one blowhole. [6] The blowhole of a sperm whale , a toothed whale, is located left of centre in the frontal area of the snout, and is actually its left nostril, while the right nostril lacks an opening to the surface and its nasal passage is otherwise well ...
[33] [40] Antarctic orcas may have pale grey to nearly white backs. [38] Some Antarctic orcas are brown and yellow due to diatoms in the water. [22] Both albino and melanistic orcas have been documented. [33] Sexual dimorphism between male (top) and female (bottom) killer whales. Pectoral fins, dorsal fin, and flukes are larger in adult males
The bisected head of a dolphin: The melon is just above the upper jaw. Three-dimensional models of various odontocete melons based on CT scans. The melon is a mass of adipose tissue found in the foreheads of all toothed whales. [1] [2] It focuses and modulates the animal's vocalizations and acts as a sound lens.
Articles relating to orcas (Orcinus orca, killer whales), toothed whales that are the largest members of the oceanic dolphin family. It is the only extant species in the genus Orcinus . Orcas are recognizable by their black-and-white patterned body.
Orcas or killer whales have a cosmopolitan distribution and several distinct populations or types have been documented or suggested. Three to five types of orcas may be distinct enough to be considered different races , [ 1 ] subspecies , or possibly even species [ 2 ] (see Species problem ).
Orca whales J47, calf J57 and Tahlequah J35. The outlet added that researchers discovered a new calf, different from the late J61, had been born in J Pod, a group of orcas that includes Tahlequah.
Orcas in the Gulf of California appear to have gained special skills to hunt and kill the world’s largest fish, according to a new study.. Whale sharks, which grow up to 18m long, are known to ...
The family Balaenidae, the right whales, contains two genera and four species. All right whales have no ventral grooves; a distinctive head shape with a strongly arched, narrow rostrum, bowed lower jaw; lower lips that enfold the sides and front of the rostrum; and long, narrow, elastic baleen plates (up to nine times longer than wide) with fine baleen fringes.