Whale is the common name for a widely distributed and diverse group of fully aquatic placental marine mammals. They are an informal grouping within the infraorder Cetacea, usually excluding dolphins and porpoises. Whales, dolphins and porpoises belong to the order Cetartiodactyla with even-toed ungulates and their closest living relatives are the hippopotamuses, having diverged about 40 million years ago. The two parvorders of whales, baleen whales (Mysticeti) and toothed whales (Odontoceti), are thought to have split apart around 34 million years ago. The whales comprise eight extant families: Balaenopteridae (the rorquals), Balaenidae (right whales), Cetotheriidae (the pygmy right whale),
The frigatebird (also known as the man of war bird and the pirate bird) is a species of sea-bird found in warmer, tropical regions. Frigatebirds are thought to be most closely related to pelicans giving rise to another name for them, which is the frigate pelican.
The frigatebird is a large species of sea-bird that has an enormous wingspan that often exceeds two meters in length. Male frigatebirds are most commonly known for their red throat pouch, which are inflated to attract female frigatebirds during the mating season.
Frigatebirds are generally black in colour although some frigatebirds look slightly browner than black. Outside of the mating season, male frigatebirds and fema
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The avocet is a type of wading bird that is found across mudflats in the world's warmer climates. There are four different species of avocet which are the Pied avocet, the American avocet, the Red-necked avocet and the Andean avocet.
The avocet is generally found in watery habitats close to the coast including marshland, wetlands and swamp. The exact habitat of the avocet is dependent on the species as the Pied avocet is found in Europe and Asia, the American avocet is found on the Pacific coast of North America, the Red-necked avocet in Australia and the Andean avocet is natively found nesting high up in the Andes Mountains.
The avocet is a very distinctive looking bird due to t
