Apr 26 2010
Here are some quick tips on how to tell the difference between the two adult peregrines at the Gulf Tower while viewing them on the falconcam.
Both are shown above. Dori, the female, is on the left, her mate Louie on the right. Here are some clues to identify them as you watch the webcam:
- Dori has white patches where her wings meet her body. They are almost like “headlights” because they stand out when she faces you.
- Louie does not have white patches near his wings. Instead he has a large white patch on the nape of his neck. You can see this easily when he’s bowing.
- Dori is much larger than Louie. The next photo is a side-by-side example showing the difference. Notice Dori’s long wingtips and tail. When she stands or turns in the nest box her tail often touches the wall.
- And (Mary DeV reminded me) Louie’s beak is a brighter yellow than Dori’s.
If you’re lucky enough to see both birds together you can identify them immediately by size, as shown in the photo below. Dori is huge. No wonder Louie bows low!
Watch them online here and see if you can tell the difference.
(photos from the National Aviary webcam at the Gulf Tower. Thanks to Marianne Atkinson for capturing the big bowing screen shot.)