Why is a moose’s nose so big? Some suggested it could help a moose shed heat from its body after running from predators, or better sniff out predators or potential mates. Alaska columnist Ned Rozell describes one scientist's effort to find an answer:
Artist Liza McElroy of Seward recently sketched two moose in their summertime aquatic environment to illustrate this story. Why might a scientist from Ohio care? It can tell a person about evolution, says Lawrence Witmer. Witmer is a biologist and professor of anatomy at Ohio University. As part of a study of unusual noses on dinosaurs and modern animals, Witmer and his colleagues examined the enigmatic nose of the moose.
With mooseheads intact in his Athens, Ohio, lab, Witmer dissected the noses for a closer look, finding enough compelling information to write a paper that was published in the Journal of Zoology. One argument was that a long nose could help a moose shed heat from its huge body after running long distances to avoid predators. Witmer and his co-workers found this adaptation unlikely because few blood vessels exist near the outside surface of a moose’s nose, and moose are more apt to stand and fight predators than to try and outrun them.
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