Lepidoptera is the scientific order of the animal kingdom that includes moths and butterflies.
Stick bugs have some of the animal kingdom's cleverest camouflage.
It would appear that parental love exists throughout the animal kingdom.
This is probably the most remarkable adaptation to crossfertilization in the animal kingdom.
As we have seen, not all plant metaphors are drawn from the animal kingdom.
The ability to process information rapidly is of central importance for survival in the animal kingdom.
The designers claim that the robots are ' 'based partly on the rules of the animal kingdom' '.
