Nov 13, 2014 | Corvids, Eagles
This video is an example of the probable play fullness of ravens. In this instance the eagle was chewing on a piece of wood. The raven harassed the eagle and eventually took it away from it. Then it continued to harass the eagle and even pulled its tail. To learn more...
Nov 13, 2014 | Birds, Dipper
This video shows an American Dipper searching for aquatic insects and fish underwater. Notice in the fairly shallow water how it uses both its legs and wings to propel itself. In the deeper water it uses its wings and basically “flies” underwater. In one...
Nov 13, 2014 | Birds, Dipper
This video shows a couple of ways that American Dippers forage for aquatic insects in streams. Sometimes they will swim out over a pool and dive, using their wings, and grab caddisfly larvae at the bottom of the pool. Since most of these larvae have cases made out of...
Nov 13, 2014 | Birds, Gulls
Some gulls, such as this Mew Gull, move their feet rapidly up and down. This creates an upwelling which helps bring food from the bottom to the surface where the bird can get it. This type of activity is very common in streams where salmon are spawning. By doing this...
Nov 13, 2014 | Birds, Corvids
This video shows the numerous maggots (larvae) from Blow Flies crawling about and feeding on salmon remains. A couple of ravens are helping themselves to the nutritious maggots. To learn more about these maggots go to the video titled Salmon and Blow Flies in Alaska....
Nov 13, 2014 | Birds, Corvids
This video helps demonstrate the value of Blow Fly maggots for birds. Two of these crows are juveniles. So far I have documented 12 different species of birds feeding on these maggots. Of interest is that almost all of the birds have been recently fledged juveniles....