By Richard J. Goss
It is a ebook approximately one among nature's such a lot notable accomplishments. while deer develop antlers they're truly regenerating anatomically advanced appendages - whatever that no different mammal can do. the speed at which antler elongate makes them the quickest transforming into constructions within the animal nation. Profoundly suffering from male hormones, those secondary intercourse characters develop into giant tumors if the deer owning them is castrated. those and different distinct features have made antlers the point of interest of intensive clinical learn that addresses a few provocative questions: From what tissues do antlers advance? via what morphogenetic mechanisms are they regenerated each year? What social features caused their preliminary evolution? How are they motivated via hormones, and by way of the seasonal daylength fluctuations that control their annual substitute cycles? those and lots of different questions are thought of during this finished account of antlerology. scholars of improvement, evolution, and behaviour will locate a lot to understand during this quantity, as will ecologists, flora and fauna biologists, and zookeepers. it's a wealthy resource of data for endocrinologists and physiologists drawn to the connection of antlers to the reproductive cycle. The orthopedists will locate the learn of antlers a worthwhile version of skeletal progress and bone sickness, and the purported medicinal homes of velvet antlers could be a subject matter of curiosity to the pharmacologist. Deer Antlers: Regeneration, functionality, and Evolution is as scientifically exact because it is readable. It doesn't resolution all questions about those special appendages, however it is bound to arouse interest in regards to the many unsolved difficulties of the way antlers develop, die, and are shed during a unmarried yr.
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Additional resources for Deer Antlers. Regeneration, Function and Evolution
1939). Deer of the w o r l d . Natl. Geogr. Mag. 76 (4), 4 6 3 - 5 1 0 . Caton, J. D. (1877). "The Antelope and Deer of America," Forest & Stream Publ. , New York. Chaplin, R. E. (1972). The antler cycle of muntjac deer in Britain. Deer 2, 9 3 8 - 9 4 1 . Chaplin, R. E. (1977). " D e e r . , Dorset, England. , and Chapman, N. (1975). , Lavenham, Suffolk, England. Chapman, N. and Chapman, D. (1978). Fallow deer (Dama dama). Br. Deer Soc. Publ. 1 , 1-22. Chapman, N. , and Chapman, D. I. (1980). The distribution of fallow deer: A worldwide review.
These are formidable weapons which, although not used with the mouth open, are capable of inflicting wounds on rival males. Chinese Water Deer (Hydropotes inermis) As the name implies, this little deer prefers to live near rivers in China and Korea. 5 m high, it is one of the two deer in the world that does not grow antlers. It is a yellow-brown color in the summer and gray in Roe Deer (Capreolus capreolus) Fig. 17. Capreolus means little goat, which is what the roe deer resembles. winter. 5 months gives birth usually to four fawns (sometimes as many as six) in May or June.
5 m, with 1 2 - 1 4 points between them, make formidable weapons for such encounters (Fig. 18). 30 2. The Diversity of Deer Fig. 18. The wapiti is a red deer that migrated from the Old World to North America in the Pleistocene epoch. Birth usually occurs in late May or early June. The fawns remain spotted until the first molt in September. Although they may begin to nibble vegetation during their first month of life, fawns are not usually fully weaned until fall, or even winter. 5 m in larger animals born early in the season.