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It’s Easter. For some of people, this means they can take up all the vices they gave up for Lent, and binge on chocolate till they feel sick. For the hyenas of northern Ethiopia, it means it’s time to stop hunting donkeys. Spotted hyenas are unfussy eaters and incredible opportunists.
" Ecology is the study of the distribution and abundance of organisms and their interactions with their environment, including parasites and pathogens. Immunology is the study of the physiological functioning of the immune system in states of health and disease. The former discipline implicitly acknowledges the importance of the latter but treats it as a black box. Likewise, the latter discipline implicitly acknowledges the importance of variation between individuals, but relies on a logistic foundation that necessarily removes individual variation from its empirical approach and so avoids the complex interactions which determine an organism's life history in its natural environment." H. Schulenburg, J.
We humans usually think of ourselves as pretty smart. One of the intelligent ideas ourancestors happened upon long ago, was the concept of cooking our food before we eat it. Many modern cultures place a good deal emphasis on cooking as a means to enrich the taste of the food. However, the overriding reason that cooking food has spread throughout human societies is that it is still the most effective way of killing microbes (bacteria, viruses, fungi, and protists) that would otherwise make us ill. For those of us that love a good steak, we often prepare the steak rare or medium rare, meaning the steak is not cooked all the way through.
Sep. 29, 2009 — Spotted hyenas may not be smarter than chimpanzees, but a new study shows that they outperform the primates on cooperative problem-solving tests. Captive pairs of spotted hyenas (Crocuta crocuta) that needed to tug two ropes in unison to earn a food reward cooperated successfully and learned the maneuvers quickly with no training. Experienced hyenas even helped inexperienced partners do the trick.
Spotted Hyena ( Crocuta crocuta ), the “bad guys” of the African plains. My wife is repulsed by them, but I find something oddly intriguing about these predators; any social carnivore in which the female has a functioning pseudo-phallus nearly indistinguishable from the male’s is bound to stand out. Spotted Hyena are extremely effective, social predators, being much more effective hunters than many people think.