While photographing in my yard, I saw a Northern Mockingbird engaged in a fascinating behavior known as the “Wing-Flash Display.” This photo shows the bird perched on a metal pole with both wings raised, revealing its bright white wing patches.
What Is the Wing-Flash Display?
The wing-flash display is a distinctive movement where a mockingbird abruptly opens its wings, either partially or fully, in a series of jerky, intermediate motions. These sudden movements prominently expose the white wing patches, which catch the light and create a dramatic visual contrast with the environment. This often occurs while the bird is foraging.
Why Do Northern Mockingbirds Perform This Behavior?
This display is typically observed when the bird is on the ground hunting for insects. Some researchers believe the sudden flash of white helps flush out insects from grass or leaf litter, making them easier to capture. Others propose it may serve a role in communication or territorial signaling.
From my observations, I most often see this behavior near shrubs or open patches of lawn where the bird can move freely while scanning for prey.
I recently photographed another mockingbird performing this display on the ground, which is the typical setting for this behavior. The image below shows a clear example of the wing-flash posture used during foraging.
More Than Just a Display
Although visually striking, the wing-flash serves a practical purpose. Whether it’s startling prey, establishing territory, or signaling to other birds, this movement is one of the most identifiable behaviors of the Northern Mockingbird.
Photographing the bird mid-display while perched was a rare treat. It stood still just long enough to raise both wings in a pose that looked almost like a freeze-frame from a performance.
An Everyday Bird with Extraordinary Traits
The Northern Mockingbird is among the most widespread songbirds in the southern United States. Despite being a familiar sight, behaviors like the wing-flash display reveal just how remarkable even our common backyard birds can be.
Camera: Canon EOS R5 Mark II
Lens: RF 100-500mm F4.5-7.1 L IS USM
Aperture: ƒ/10
Focal Length: 500.0 mm
Shutter Speed: 1/640
ISO: 6400
Exposure Mode: Manual
Exposure Compensation: +2/3
FAQ
What is the purpose of the wing-flash display?
Scientists believe it helps flush out insects or may be used for communication or territorial behavior.
When do Northern Mockingbirds perform the wing flash?
They typically perform it while foraging on the ground, especially in grassy or shrubby areas.
Do other birds use similar displays?
While a few species use visual cues to startle prey, the wing-flash display is especially distinct to Northern Mockingbirds.
Can this behavior be seen year-round?
Yes, though it’s most often observed during warmer months when insects are active.