Male in full song
Credit: Larry Bond

North American field guide

Mourning Warbler

Oporornis philadelphia

Identification

Field notes

13 cm (5") Fairly common. Nests on ground in moist woods, dense undergrowth.

Gray hood.

Male: lack eye ring and may have black on throat and breast. Greenish back and wings. Yellow lower breast, belly, and undertail coverts.

Female: duller and have a thin eye ring.

Secretive and skulky hopping through underbrush. Similar Connecticut and MacGillivray's Warblers have distinctive eye rings.

Song: "chirry, chirry, chorry, chorry".

Watch and learn

Videos

1 video

Where it lives

Distribution map

Source legend · original intervals

Loading the rebuilt map…

Unshaded in source · does not imply absence

Bird Advisor Identification rules 1 variant 1 rule

These are the observation paths the Bird Advisor can use to identify this species. Each rule is an alternative match.

Mourning Warbler

1 rule
Rule 1 12 criteria confidence 7
Did the WINGS have STRIPES or PATCHES ?
No · Unknown
What colour was the BELLY ?
Yellow · Unknown
What colour was the BREAST ?
Yellow · Gray, or blue-gray · Black, purple, or dark · Unknown
What colour was the THROAT ?
Gray, or blue-gray · Black, purple, or dark · Unknown
What SHAPE was the BILL ?
Straight and slender · Unknown
What LENGTH was the BILL ?
Short · Medium · Unknown
What were the EYE markings if any ?
None · Unknown
What colour was the TOP of HEAD ?
Gray, or blue-gray · Unknown
What was the predominant colour of the HEAD ?
Gray, or blue-gray · Unknown
How BIG was the bird ?
Smaller than a sparrow · Sparrow-sized
What TYPE of bird was seen ?
Warbler-like
WHEN was the bird seen ?
Spring · Summer · Fall
result:72-mourning-warbler:1:1 Source: 72 Mourning Warbler, row 1