Species · BCR 29 · BBS 2025 Release · 1966–2024

Common Nighthawk In Piedmont

Common Nighthawk in Piedmont has collapsed: down 97% on the route-weighted index since 1968.

-97%Since 1968
44Routes In Region
31Years

Notable Signals

long arc declinecomputed index

Common Nighthawk has collapsed in Piedmont: down 97% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Common Nighthawk in Piedmont is projected to stay roughly flat through 2021, near 0.00 (95% range 0.00–0.25). A 5-year backtest shows a typical error of ±988.3%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2021
0.00Projected 2021 index
0.000.2595% range
±988.3%Backtest error
19662021
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
20170.000.000.25
20180.000.000.25
20190.000.000.25
20200.000.000.25
20210.000.000.25

Routes In Piedmont

Routes recording Common Nighthawk in Piedmont.
PendletonSOUTH-CAROLINA321968
WylliesburgVIRGINIA61977
PassaicNEW-JERSEY21969
AspersPENNSYLVANIA21981
LabottPENNSYLVANIA21976
RinggoldVIRGINIA21991
MillervilleALABAMA11971
LanettALABAMA11987
Liberty CityALABAMA11995
ForsythGEORGIA11980
MaxeysGEORGIA11968
HollonvilleGEORGIA11977
AthensGEORGIA11978
BaldwinGEORGIA11970
GrovetownGEORGIA12006
HiramGEORGIA11982
RutledgeGEORGIA11975
Silver SpgMARYLAND11970
RandallstownMARYLAND11972
ClimaxNORTH-CAROLINA11986
MooresvilleNORTH-CAROLINA11986
CherryvilleNORTH-CAROLINA11966
YoungsvilleNORTH-CAROLINA11969
MadisonNORTH-CAROLINA11976
CopelandNORTH-CAROLINA12016

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