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Geese are the dominant herbivores in many northern wetlands, such as this marsh at La Perous
Fights for dominance are normally brief, and sometimes merely displaying dominant gestures without p
Male giraffe mounting a female. Only dominant males are generally able to mate.
A melanistic jaguar at the Henry Doorly Zoo. Melanism is the result of a dominant allele and remains
Variations in the extent of dendritic branching.
Human arrival and the extent of the recent extinction wave