Species · BCR 26 · BBS 2025 Release · 1966–2024

Common Nighthawk In Mississippi Alluvial Valley

Common Nighthawk in Mississippi Alluvial Valley has edged up: up 13% on the route-weighted index since 1969.

+13%Since 1969
44Routes In Region
57Years

Notable Signals

No notable trend signals for Common Nighthawk in Mississippi Alluvial Valley. See the full index history below.

Forecast

If the recent trend holds, Common Nighthawk in Mississippi Alluvial Valley is projected to fall about 59% by 2029 — from 1.3 in 2024 to a central estimate of 0.53 (95% range 0.10–0.96). A 5-year backtest shows a typical error of ±32.9%, with 80% of held-out values landing inside the 95% band.

-59%Change by 2029
0.53Projected 2029 index
0.100.9695% range
±32.9%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
20250.530.090.96
20260.530.090.96
20270.530.090.96
20280.530.100.96
20290.530.100.96

Routes In Mississippi Alluvial Valley

Routes recording Common Nighthawk in Mississippi Alluvial Valley.
DellARKANSAS182024
KennettMISSOURI122024
HaytiMISSOURI102021
BerwickLOUISIANA52018
WhittonARKANSAS41985
BlodgettMISSOURI42024
WilsonARKANSAS32024
DeventerMISSOURI32024
South BendARKANSAS22006
HarrisburgARKANSAS21988
SaffellARKANSAS22003
MaynardARKANSAS21994
CarlisleLOUISIANA21987
FloydLOUISIANA21997
River RoadLOUISIANA22021
Baton RougeLOUISIANA22024
EudoraARKANSAS11973
HughesARKANSAS11990
West TylerARKANSAS11982
AugustaARKANSAS11992
EnglandARKANSAS12011
UlmARKANSAS11986
FreetownLOUISIANA11989
Morgan CityLOUISIANA11986
RoselandLOUISIANA11974

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