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The ears of river dolphins have specific adaptations to their aquatic environment. In humans, the middle ear works as an impedance equalizer between the outside air's low impedance and the cochlear fluid's high impedance. In river dolphins, and other cetaceans, there is no great difference between the outer and inner environments.
Go, Diego, Go! is an American animated educational interactive children's television program that premiered on Nickelodeon on September 6, 2005 in the United States. Created and executive produced by Chris Gifford and Valerie Walsh Valdes, the series is a spin-off of Dora the Explorer and follows Dora's cousin Diego, an 8-year-old boy whose adventures frequently involve rescuing animals and ...
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[22] [23] As with humans, some dog breeds' hearing ranges narrow with age, [24] such as the German shepherd and miniature poodle. When dogs hear a sound, they will move their ears towards it in order to maximize reception. In order to achieve this, the ears of a dog are controlled by at least 18 muscles, which allow the ears to tilt and rotate.
Male Amazon river dolphins are either solid pink or mottled grey/pink. The Amazon river dolphin is the largest river dolphin. Adult males reach a maximum length and weight of 2.55 metres (8.4 ft) (average 2.32 metres (7.6 ft)) and 185 kilograms (408 lb) (average 154 kilograms (340 lb)), while females reach a length and weight of 2.15 metres (7. ...
Some pets do like to watch these weird, garbled images, though. If you've got a couch potato pooch, check out services like DogTV. DogTV creates special shows made for your pets because they tweak ...
Articles relating to the river dolphins, a polyphyletic group of fully aquatic mammals that reside exclusively in freshwater or brackish water. They are an informal grouping of dolphins, which itself is a paraphyletic group within the infraorder Cetacea. Extant river dolphins are placed in two superfamilies, Platanistoidea and Inioidea.