Ugyan nem madár, hanem feketemedve (kivéve az elsőt):

Stereotype Growl (152KB):  This is NOT a bear! This is actually a wolf growling and threatening. This wolf growl is often used as a bear sound in movies and on TV because people think black bears should sound like this. Growls are rare or absent in black bears. Fearful people often describe any bear sound as a growl. 

Cub Distress Call (199KB):  This is a distress sound made by a fearful cub. This sound is commonly made when a cub is separated from its mother. This recording was made while a researcher examined a cub out in the field. The cub was soon released back to the mother. 

A Bear Family Conversing (196KB):  This mother black bear is moving her 3-month-old cubs from their den to a white pine tree to begin life outside the natal den. The mother is grunting her concern while the cubs are voicing little squeals of mild distress.

Nursing Cubs (205KB):  Black bear cubs make motor-like pleasure sounds as they nurse. Similar to a cat's purring, bears make this pleasure sound when they are especially comfortable, nursing, or eating a special treat. Adults make this sound with a deeper voice.

Moan (430KB):  When bears are very scared and in a subordinate role they moan. This bear was in a barrel-trap, which is a form of live trap. They also moan when they have escaped up trees or are being threatened by a nearby dominant bear.

Sounds of Cub & Mother (137KB):  The sounds of a young cub with its mother.  The cub is making the cooing sounds and the mother grunts, which is a common sound mothers make to cubs.

Blowing and Chomping (190KB):  Bears blow and clack their teeth with they are afraid. When this is done in response to being startled by a person, it appears to be a defensive threat, but they also do it when they scare themselves by almost falling from a tree.

Bear Threatening Another Bear (138KB):  A female bear is threatening a male that is competing for her food. The main sound is the pulsing threat. A higher pitched moan of fear is heard briefly from the subordinate male.