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Karen Liane Pryor (née Wylie; May 14, 1932 – January 4, 2025) was an American author who specialized in behavioral psychology and marine mammal biology. She was the founder and proponent of clicker training. [1]
As with other porpoise species, the spectacled porpoise has no beak. It has small pectoral fins with rounded tips positioned far forward on the body, and a triangular dorsal fin. This porpoise species shows obvious sexual dimorphism between adult males and females, as the dorsal fins in males are much larger and more rounded than those of ...
Porpoises are abundant and found in a multitude of environments, including rivers (finless porpoise), coastal and shelf waters (harbour porpoise, vaquita) and open ocean (Dall's porpoise and spectacled porpoise), covering all water temperatures from tropical (Sea of Cortez, vaquita) to polar (Greenland, harbour porpoise). Porpoises feed largely ...
Cetacean intelligence is the overall intelligence and derived cognitive ability of aquatic mammals belonging in the infraorder Cetacea (cetaceans), including baleen whales, porpoises, and dolphins. In 2014, a study found for first time that the long-finned pilot whale has more neocortical neurons than any other mammal, including humans ...
Google doesn't offer a free PDF editor. But you can edit files in Google Slides or Google Docs. First, upload the file to Google Drive. Then choose to open it with Google Docs or Slides. You can ...
In 2017 Hoyt published Encyclopedia of Whales, Dolphins and Porpoises which "draws on more than 40 years of scientific interactions with these intelligent and fascinating creatures," according to Library Journal: "Hoyt writes movingly on life cycles, the future for these animals and how readers can get involved in protecting them."
A researcher fires a biopsy dart at an orca.The dart will remove a small piece of the whale's skin and bounce harmlessly off the animal. Cetology (from Greek κῆτος, kētos, "whale"; and -λογία, -logia) or whalelore (also known as whaleology) is the branch of marine mammal science that studies the approximately eighty species of whales, dolphins, and porpoises in the scientific ...
The harbour porpoise (Phocoena phocoena) is one of eight extant species of porpoise. It is one of the smallest species of cetacean . As its name implies, it stays close to coastal areas or river estuaries, and as such, is the most familiar porpoise to whale watchers .