The number of eggs a bird lays — its clutch size — varies greatly among species. You might think every species should simply lay lots of eggs because that would increase the odds of more young birds ...
The Florida Entomologist, Vol. 72, No. 1 (Mar., 1989), pp. 32-42 (11 pages) Most parasitoids alter the clutch size and sex ratio of their progeny by facultatively controlling the number of eggs they ...