One of the more common large birds you may see overhead throughout North America is the turkey vulture, especially in the spring as they migrate in large numbers northward. One of their features to help identify them when they are in flight, even if they are at a great distance away, is their flight style….
Tag: birds of prey
Bird Adaptations: Ocelli
While out hiking in a field, you spot a little american kestrel in a telephone wire. Its back is to you and you notice an interesting pattern on the back of its head, which appears to resemble eyes. These feather patterns aren’t eyes though, they are called ocelli, or false eye spots. This adaptation can…
Bird Anatomy: Nictitating Membrane
For birds to survive, they need keen eyesight, to find food, to navigate their environment, find a mate and avoiding becoming something else’s meal. So it is critical to protect their eyes, especially when flying through the air and through vegetation where there is an increased risk of something hitting their eyes and causing abrasions….
Bird Anatomy: Tomial Tooth
The tomial tooth, or the mandibular tomia, is not really a tooth at all, but a projection that can be seen in the outer edge on beaks of falcons, kites, and shrikes. This “tooth” also corresponds with a divot on the lower bill, called the mandibular notch; these together act like a pair of scissors…
Species Spotlight: Steller’s Sea Eagle
On August 30th 2020, a steller’s sea eagle was seen at Denali National Park in Alaska. This was not the first time this species has been seen in this state, but it was unusual in the fact that this individual was seen so far inland. Afterwards, on March 10, 2021, it was then spotted at…
International Vulture Awareness Day
The first saturday of September is international vulture awareness day! While these birds may not be everybodies favorite birds, they still fill a very important niche in the environment. They are the clean up crew! When an animal dies, scavengers like vultures will take care of the body. But the deceased animal could be carrying…