A few individuals encountered on…

Many individuals encountered on…

C

Common

More than 90% of days

More than 50% of days

F

Fairly Common

50% to 90% of days

10% to 50% of days

U

Uncommon

10% to 50% of days

Fewer than 10% of days

R

Rare

Fewer than 10% of days

X

Extremely rare

5 or fewer sightings ever

Season categories

Habitat Codes

Spring: March 1 - May 31

A = Aerial

Summer: June 1 - July 31

B = Bottomland forest, floodplain or swamp

Fall: August 1 – November 30

C = Cropland or fields

Winter: December 1 – February 29

E = Edge habitat (forest margins, hedgerows, scrub)

F = Upland deciduous forest

M = Freshwater tidal marshes and channels

O = Open (deep) water

T = Tidal mud flats