Charadrius vociferus
A Killdeer says its own name: a loud, high, slightly frantic "kill-deer", often shouted over and over as the bird circles overhead, by day or after dark. Near its nest it switches to sharp "dee" notes that speed up into a fast, bubbling trill. Listen over lawns, ballfields, parking lots and farm fields, not just at the water's edge.
“kill-deer, kill-deer”
Every sound the Killdeer makes
3 sounds to learn, each with a recording.
Kill-deer Call
High pitch · Repeated
A loud, high, plaintive cry in two parts, kill-DEER, about half a second long. Birds often string several together, and displaying males repeat it again and again in flight. The tone is anxious and ringing, and it carries far across open ground.
“kill-deer, kill-deer”
All year; most in spring and summer. Often given in flight, and commonly heard after dark.
Dee Alarm Notes
High pitch · Series
Sharp, slightly nasal dee notes, given one at a time or as an emphatic dee-dee-dee when a person or predator gets too close. The more worked up the bird gets, the faster the notes come.
“dee, dee-dee-dee”
Nesting season, around eggs and chicks; often paired with the broken-wing act.
Bubbling Trill
High pitch · Trill
A long, fast, nervous trill, almost a bubbling rattle, that often builds out of the dee notes and drops back into them. Killdeer also use a trill in courtship displays near the nest scrape.
Spring and summer, near nests and during courtship.
What to listen for
- A loud kill-DEER from the sky over a parking lot or ballfield, after dark as well as by day.
- Repeated calls from a bird circling overhead on long, pointed wings.
- Frantic dee notes and trills from a bird on open gravel mean a nest or chicks nearby, so watch your step.
- In the northern states, start checking open fields and lots as soon as the snow starts to go.
Birds that sound like the Killdeer
By ear: Greater Yellowlegs gives a clear, ringing tew-tew-tew, usually three or more even notes, without the two-part kill-deer shape.
Semipalmated Plover
By ear: Its common call is a single rising, whistled chu-weep, sweeter and softer than a Killdeer's. Mostly heard on beaches and mudflats during migration.
By ear: Mockingbirds do a good Killdeer, but only for a few repeats before the same bird is off on something else entirely.
By ear: Starlings slip a whistled Killdeer into their songs, usually sung from a roof or wire. Listen for the starling's own clicks, rattles and wheezes on either side of it.
When and where you'll hear it
When
Most vocal from March to July, at any hour, day or night.
- Dawn
- Daytime
- Dusk
- Night
Where
Found in every lower-48 state. It lives year round across much of the southern and central US and the Pacific Coast, and is a summer bird in the coldest northern states, returning from late winter into spring.
- Northern states
- Killdeer leave the coldest areas for winter, so their calls return with the first thaw and are one of the earliest spring bird sounds.
- Open country
- Yards
- Cities
- Wetlands
- Coasts
Practice the Killdeer in the app
Practice the “kill-deer, kill-deer” until you can name it without looking. Wings & Whistles plays it in 2 interactive listening lessons, mixed with the birds you’ll hear around it.
How to recognize the Killdeer by sight
A medium-sized plover (shorebird) with a brown upper body and white underparts marked by two bold black bands across the chest. The face shows a white forehead and brown cap, with a black band running through the eye forming a mask. The rump is bright rufous-orange and very visible in flight. Long legs and a relatively long, pointed tail give it a lanky appearance on the ground. True to its scientific name (vociferus), it's often heard before seen, calling loudly in flight.
Similar-looking species (2)
- Semipalmated Plover: Much smaller (about 7.25"), with a single black chest band.
- Wilson's Plover: Another coastal plover, larger than Semipalmated but still smaller than Killdeer.
Killdeer sounds FAQ
Does the Killdeer call at night?
Yes. After dark, the sound you are most likely to hear is its kill-deer call ("kill-deer, kill-deer"), though it is also heard at dawn, during the day and at dusk.
When does the Killdeer call?
The Killdeer is most vocal from March to July, at any hour, day or night.