Researchers have measured the swimming speed of the ocean’s slowest shark. Data-logging tags revealed that Greenland sharks “cruise” at 0.34m per second – less than 1mph. The study showed that, even when the languid fish embarks on a burst of speed in order to hunt, it is far too slow to catch a swimming seal.
(continuar...)Aug. 3, 2009: A gharial eats a fish at the state zoological park in Gauhati, India. The gharial, also known as the Indian crocodile, was on the verge of extinction in the 1970s, but a government breeding program that has released several hundred into the wild has raised their numbers. (AP Photo/ Anupam Nath) The
(continuar...)Volunteer at La Marina holding hands with a rescued spider monkey. Photo: Jane Mundy Everyone wants to see the wildlife in Costa Rica. Jane Mundy gets closer than most. By 8am we’re sitting on upturned buckets on the floor of a concrete shed, up to our elbows in bananas, plantains, papayas and a curious tuberous
(continuar...)
Según investigadores, en un reciente estudio publicado en la revista PLoS One, “los mayores cocodrilos extintos generaban con su mordedura fuerzas que superaban los 10.500 kilos **, valores superiores a los de los Tiranosaurio rex”. Ricardo Escalante Este trabajo contradice los resultados obtenidos por otra reciente investigación sobre la mordedura del rey de los
(continuar...)