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Species · Louisiana · BBS 2025 Release · 1966–2024

Killdeer Population Trend in Louisiana

All statesShorebirds

Killdeer in Louisiana has risen sharply: up 66% on the route-weighted index since 1969.

+66%Since 1969
100Routes In State
57Years

Notable Killdeer Trends in Louisiana

long arc increasecomputed index

Killdeer has risen sharply in Louisiana: up 66% on the route-weighted index since 1969.

Killdeer Population Forecast in Louisiana

If the recent trend holds, Killdeer in Louisiana is projected to rise about 73% by 2029 — from 3.6 in 2024 to a central estimate of 6.2 (95% range 2.8–9.7). A 5-year backtest shows a typical error of ±69.8%, with 80% of held-out values landing inside the 95% band.

+73%Change by 2029
6.2Projected 2029 index
2.8–9.795% range
±69.8%Backtest error
19672029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20256.12.69.5
20266.12.79.5
20276.22.79.6
20286.22.89.6
20296.22.89.7

Killdeer Survey Routes in Louisiana

Routes recording Killdeer in Louisiana.
Kaplan2420231998
Forked Island 22420112010
Maurice1920241988
Ltl Chenier 21820112010
River Road1620241987
Carlisle1519881968
Brousville1420241999
Rayville1120081967
Junior1019911987
Morgan City1019861967
Frogmore1020241998
Grand Isle1020192010
Concord1020192006
Woodlawn1020212008
Port Allen1020242000
Cypress919871967
Transylvania920221998
Ltl Chenier920241986
Vinton 2820242011
Fillmore719891968
Freetown620191978
Roseland620241967
Keystone620131967
De Ridder620191967
Gibson620151999

Killdeer Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.