Female Prothonotary Warbler Nests Are Being Stolen By Cowbirds
Female animals are those that produce ova, which are fertilized by the spermatozoa of males. The main difference between females and males is that females bear the offspring — and that goes for dogs,. Dec 2, 2011 · Sex = male and female Gender = masculine and feminine So in essence: Sex refers to biological differences; chromosomes, hormonal profiles, internal and external sex organs. Gender.
Prothonotary warbler | FWS.gov
