acariciar // to pet

acechar // to stalk

aletear // to flap (wings)

amaestrar // to train

anidar // to nest

aparear // to mate

arañar // to scratch

atacar // to attack

atar // to tie

aullar // to howl

balar // to bleat

cebar // to fatten up

criar // to rear

croar // to croak

dar coces // to kick

disecar // to stuff (taxidermy)

domesticar // to domesticate

evolucionar // to evolve

extinguirse // to become extinct

incubar // to incubate (eggs)