caught in a pair of images, capturing the moment when the nictitating membrane extends across the eye.
Black-chinned Hummingbird (Archilochus alexandri).
The opaque nictitating membrane extended across the eye, for about 1/60th of a second.
caught in a pair of images, capturing the moment when the nictitating membrane extends across the eye.
Black-chinned Hummingbird (Archilochus alexandri).
The opaque nictitating membrane extended across the eye, for about 1/60th of a second.