They lay blue eggs, have feather tufts near their ears, and no tail (in North America).

Further characteristics were the white feather tufts under the axillaries and the two narrow central tail feathers which changed into fine hair-like or fibrous tips.

When displaying, yellow feather tufts can be seen on the shoulders.

One enantiornithine fossil shows wing-like feather tufts on its legs, similar to Archaeopteryx.

They wore bulky, feathery headdress or a large feather tuft on their head with a yellow headband.

The impersonators carried a staff 6 to 8 inches long with a feather tuft at top, and provided a double bone whistle.

The genus Asio contains the eared owls, which are characterised by feather tufts on the head which give the appearance of "ears".

The horned owl, horned puffin and horned screamer are all named for their feather tufts.

They have prominent, wide-set feather tufts with bright yellow eyes.

The most striking feature of both sexes is their dense snow-white leg puffs which consist of feather tufts that resemble woolly panties.