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Eschrichtiidae or the gray whales is a family of baleen whale (Parvorder Mysticeti) with a single extant species, the gray whale (Eschrichtius robustus), as well as four described fossil genera: Archaeschrichtius (), Glaucobalaena and Eschrichtioides from Italy, [1] [2] and Gricetoides from the Pliocene of North Carolina. [3]
The bones were first found in 1961 by a father and son, Masato and Yoshio Tajima, in a riverbed in Akishima, Tokyo, lending it the nickname of the Akishima whale. [ 1 ] [ 2 ] It was prepared by locals, under the mentorship of Hiroshi Ozaki, and subsequently put into storage at the National Museum of Nature and Science until it was transferred ...
Bird goddess – Vinca figures of a woman with a bird head. Cuca - A creature from Brazilian folklore and female counterpart of the Coco that is depicted as a witch with the head of an alligator. It will catch and eat children that disobey their parents. Gamayun – A Russian creature portrayed with the head of a woman and the body of a bird.
The domestic canary (Serinus canaria var. domesticus, family Fringillidae) has hybridized with other perching birds including the blue-black grassquit (Volatinia jacarina, family Thraupidae), the chestnut-capped blackbird (Agelaius ruficapillus, family Icteridae), and the red fody (Foudia madagascariensis, family Ploceidae).
Artistic impression of two Eobalaenoptera pursued by the giant shark Otodus megalodon All modern baleen whales or mysticetes are filter-feeders which have baleen in place of teeth, though the exact means by which baleen is used differs among species (gulp-feeding within balaenopterids, skim-feeding within balaenids, and bottom plowing within ...
Shark is the naming term of all members of Selachimorpha suborder in the subclass Elasmobranchii, in the class Chondrichthyes. The Elasmobranchii also include rays and skates ; the Chondrichthyes also include Chimaeras .
An alligator nest at Everglades National Park, Florida, United States Alligator olseni forelimb Alligator prenasalis fossil. The superfamily Alligatoroidea is thought to have split from the crocodile-gharial lineage in the late Cretaceous, about 80 million years ago, but possibly as early as 100 million years ago based on molecular phylogenetics.
The modern American alligator is well represented in the fossil record of the Pleistocene. [9] The alligator's full mitochondrial genome was sequenced in the 1990s. [10] The full genome, published in 2014, suggests that the alligator evolved much more slowly than mammals and birds. [11]