Some articles on species, female, species females, females:
... In some species such as insects, spiders, many fish, reptiles, birds of prey and certain mammals such as the spotted hyena, and blue whale, the female is larger than the male ... As an example, in some species females are sedentary and sparsely distributed, and so males must search for them ... Cases where the male is larger than the female have been studied as well, and require alternate explanations ...
... large number of small male gametes relative to the larger female gametes usually lies in the development of strong sperm competition, because small sperm enable ... and promotes the evolution of other sexual dimorphism in many species, especially in vertebrates, including mammals ... However, in many species the females can also be larger than males, irrespective of gametes, and in some species females (usually of species in which males invest a lot in rearing offspring and thus no longer ...
Famous quotes containing the words females and/or species:
“If combat means living in a ditch, females have biological problems staying in a ditch for 30 days because they get infections.... Males are biologically driven to go out and hunt giraffes.”
—Newt Gingrich (b. 1943)
“Books, gentlemen, are a species of men, and introduced to them you circulate in the very best society that this world can furnish, without the intolerable infliction of dressing to go into it. In your shabbiest coat and cosiest slippers you may socially chat even with the fastidious Earl of Chesterfield, and lounging under a tree enjoy the divinest intimacy with my late lord of Verulam.”
—Herman Melville (18191891)