Verreaux's Eagle-Owl is a very large and powerful owl species.

Pel's Fishing Owl is one of the largest owl species in the world.

There are more than 150 owl species worldwide.

Both of these factors are likely to influence the reproductive investment in owl species.

The males are usually smaller than females, as with most owl species.

It is the first extinct owl species to be described from Macaronesia.

In the area live five owl species, northern goshawks, as well as California Condors.

The owl species are identified on the figure, but for details of the samples, see Appendix.

Ninox rufa is an owl species in the family Strigidae.

In 2010, the center obtained an owl as part of a program to teach children about environmental threats to the owl species.