NEITHER FISH NOR FOWL

Bull shark – Carcharias taurus (Rafinesque, 1810) It’s easy to say fish, but in scientific language that term is improper. The so-called “fish” actually fall into two distinct classes, the Chondrichthyes and Osteichthyes. So to speak, the same phylogenetic distance that exists between the class of Amphibians with the class…

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WINGS OR FINS?

Humboldt penguin (Spheniscus humboldti, Franz Meyen 1834) is mainly spread along the coast of Peru and Chile in the Pacific Ocean. Their ability to fly, like that of all other species of existing penguins dates back to millions of years ago, and has been lost over the years, according to…

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