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While there are six dolphin patterns in the autostereogram, the brain should see seven "apparent" dolphins on the plane of the autostereogram. This is a side effect of the pairing of similar patterns by the brain. There are five pairs of dolphin patterns in this image. This allows the brain to create five apparent dolphins.
A common bottlenose dolphin (Tursiops truncatus). A dolphin is an aquatic mammal in the clade Odontoceti (toothed whale).Dolphins belong to the families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins), Iniidae (the New World river dolphins), Pontoporiidae (the brackish dolphins), and possibly extinct Lipotidae (baiji or Chinese river dolphin).
The melon is structurally part of the nasal apparatus and comprises most of the mass tissue between the blowhole and the tip of the snout. The function of the melon is not completely understood, but scientists believe it is a bioacoustic component, providing a means of focusing sounds used in echolocation and creating a similarity between characteristics of its tissue and the surrounding water ...
The signature whistle of a male bottlenose dolphin tends to be similar to that of his mother, while the signature whistle of a female bottlenose dolphin tends to be more identifying. [54] Bottlenose dolphins have a strong memory when it comes to these signature whistles, as they are able to relate to a signature whistle of an individual they ...
A Pacific white-sided dolphin flips out of the water in the Cordell Bank National Marine Sanctuary off California. These dolphins keep close company. [17] White-sided dolphins swim in groups of 10 to 100, and can often be seen bow-riding and doing somersaults. [6] [18] Members form a close-knit group and will often care for a sick or injured ...
The short-beaked common dolphin (Delphinus delphis) is known to forage at depths up to 260 m for 8 minutes or more, but mostly stays above 90 m for dives of about 5 minutes duration. The pantropical spotted dolphin (Stenella attenuata) can dive to at least 170 m, but most dives are between 50 and 100 m for between 2 and 4 minutes. [49]
Risso's dolphin (Grampus griseus) is a marine mammal and dolphin, the only species of the genus Grampus. Some of the most closely related species to these dolphins include: pilot whales ( Globicephala spp.), pygmy killer whales ( Feresa attenuata ), melon-headed whales ( Peponocephala electra ), and false killer whales ( Pseudorca crassidens ...
The Indo-Pacific bottlenose dolphin (Tursiops aduncus) is a species of bottlenose dolphin. This dolphin grows to 2.6 m (8.5 ft) long, and weighs up to 230 kg (510 lb). [ 4 ] It lives in the waters around India , northern Australia , South China , the Red Sea , and the eastern coast of Africa . [ 4 ]