North American field guide
Northern Mockingbird
Mimus polyglottos
Identification
Field notes
23-28 cm (9-11") Common in southern United States; expanding range north into Canada. State bird for Arkansas, Florida, Mississipps, Tennessee and Texas. Residential areas, open country with thickets.
Gray above, white below. White wing patches and long white-edged tail flash in flight.
Aggressively defends territory.
Song: loud musical and grating phrases repeated three or more times. Mimics city sounds, other birds, dogs, etc. Often sings at night.
Details in the field
Photo gallery
Watch and learn
Videos
Northern mockingbird sings on Christmas Day 2012
Credit: Bob KovacsWhere it lives
Distribution maps
Source legend · original intervals
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Unshaded in source · does not imply absence
Generic and winter maps may use different intervals.
Bird Advisor Identification rules 1 variant · 4 rules
These are the observation paths the Bird Advisor can use to identify this species. Each rule is an alternative match.
Northern Mockingbird
4 rulesRule 1 15 criteria · confidence 3
- What color was the UNDERSURFACE of the wing as seen in flight ?
- Light · Unknown
- Did the WINGS have STRIPES or PATCHES ?
- Yes · Unknown
- What SIZE was the TAIL ?
- Medium · Long · Very Long · Unknown
- What SHAPE was the TAIL ?
- Square or slightly notched at the end · Rounded at the end · Pointed or wedge-shaped · Unknown
- What colour TAIL PATTERN was there if any ?
- Light outer edge or corners · Unknown
- What colour was the BREAST ?
- White, or pale (grayish-white) · Gray, or blue-gray · Unknown
- What colour was the THROAT ?
- White, or pale (grayish-white) · Gray, or blue-gray · Unknown
- What SHAPE was the BILL ?
- Straight and slender · Straight and thick · Downcurved · Unknown
- What LENGTH was the BILL ?
- Short · Medium · Long · Unknown
- What FACIAL or HEAD features were noted if any ?
- Light area between the bill and the eye · Light area running up the side of the neck or head · Sideburn stripe running down beneath the eye · Dark area behind, under, through or around the eye · Crest of feathers on top of the head · Ear "tufts" or horns · NONE of the above or a PLAIN unmarked FACE · Unknown
- What colour were the EYES ?
- White or light gray · Yellow or olive · Brown or blackish brown · Black or dark gray · Unknown
- What colour was the TOP of HEAD ?
- Gray, or blue-gray · Unknown
- How BIG was the bird ?
- Robin-sized · Pigeon-sized
- What TYPE of bird was seen ?
- Songbird (ground or perching bird)
- WHERE was the bird seen ?
- Northeastern Canada or United States · Northwestern Canada or United States
Rule 2 15 criteria · confidence 7
- What color was the UNDERSURFACE of the wing as seen in flight ?
- Light · Unknown
- Did the WINGS have STRIPES or PATCHES ?
- Yes · Unknown
- What SIZE was the TAIL ?
- Medium · Long · Very Long · Unknown
- What SHAPE was the TAIL ?
- Square or slightly notched at the end · Rounded at the end · Pointed or wedge-shaped · Unknown
- What colour TAIL PATTERN was there if any ?
- Light outer edge or corners · Unknown
- What colour was the BREAST ?
- White, or pale (grayish-white) · Gray, or blue-gray · Unknown
- What colour was the THROAT ?
- White, or pale (grayish-white) · Gray, or blue-gray · Unknown
- What SHAPE was the BILL ?
- Straight and slender · Straight and thick · Downcurved · Unknown
- What LENGTH was the BILL ?
- Short · Medium · Long · Unknown
- What FACIAL or HEAD features were noted if any ?
- Light area between the bill and the eye · Light area running up the side of the neck or head · Sideburn stripe running down beneath the eye · Dark area behind, under, through or around the eye · Crest of feathers on top of the head · Ear "tufts" or horns · NONE of the above or a PLAIN unmarked FACE · Unknown
- What colour were the EYES ?
- White or light gray · Yellow or olive · Brown or blackish brown · Black or dark gray · Unknown
- What colour was the TOP of HEAD ?
- Gray, or blue-gray · Unknown
- How BIG was the bird ?
- Robin-sized · Pigeon-sized
- What TYPE of bird was seen ?
- Songbird (ground or perching bird)
- WHERE was the bird seen ?
- Southeastern United States · Southwestern United States
Rule 3 6 criteria · confidence 1
- Was the bird seen best or only on the ground ?
- Yes
- How BIG was the bird ?
- Robin-sized
- List any unique feeding behaviour observed ?
- Running and stopping
- What TYPE of bird was seen ?
- Identify from a Unique Behaviour
- What type of environment was the bird seen in?
- Urban or residential area or at a feeder · Open area: field, prairie, meadow, farmland, tundra · Thickets or shrubs · Deciduous forest · Coniferous forest · Mixed forest · Wooded freshwater habitat · Freshwater marsh or wetland
- WHERE was the bird seen ?
- Northeastern Canada or United States · Northwestern Canada or United States
Rule 4 6 criteria · confidence 5
- Was the bird seen best or only on the ground ?
- Yes
- How BIG was the bird ?
- Robin-sized
- List any unique feeding behaviour observed ?
- Running and stopping
- What TYPE of bird was seen ?
- Identify from a Unique Behaviour
- What type of environment was the bird seen in?
- Urban or residential area or at a feeder · Open area: field, prairie, meadow, farmland, tundra · Thickets or shrubs · Deciduous forest · Coniferous forest · Mixed forest · Wooded freshwater habitat · Freshwater marsh or wetland
- WHERE was the bird seen ?
- Southeastern United States · Southwestern United States