As far as I know there isn't. The smallest owl in the world is the ELF owl. this may be what you meant. If you would like more information on the elf owl and other types of owls you can look here.
http://www.squidoo.com/owlsandmygreatgrandma
There is the Great Grey Owl, Elk, and Canada Goose.
A group of elk is called a herd or gang
The Barn Owl is sometimes called a ghost owl.
The Whooper Swan was once called an ELK.
A young elk is called a calf
Harry's owl is called Hedwig, Ron's owl is called Pigwidgeon!
The tiny owl is called the elf owl at 5.25 inches long. The small owl is called the cactus ferruginous pygmy owl at 6 inches long.
A young owl is called an owlet or fledgling.
the male owl and female owl are both called an owl, but the female owl is sometimes called a hen.
cows
Elk.
cow