The female red back spider (Latrodectus hasselti), female is much larger
than male and actually eats male after mating. In a lot of fish and
amphibians females outsize males, baleen whales is another example even
possiblty T. rex.
See article in Spring 1995, Australian Nature, page 46.
Other references
Amadon DL 1975, Why are female birds of prey larger than males? Raptor
research.
MTCW.
Ciau
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Have a look at ANZSES (Australian New Zealand Scientific Expedition
Society)
http://metro.turnpike.net/M/metromb/index.html
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Miroslav Belik Email: M.B...@UWS.EDU.AU
UWS, Macarthur Phone: 018-028-708 or 61 2 823 9445
P.O. Box 555 FAX: 61 46 266683
Campbelltown, 2560
NSW
Australia.