Tips for using Browse:

Browsing is a valuable way to learn about birds, however it is a brute force approach and not designed for identification. A more sophisticated approach to finding a bird with specific field marks is to use the Step by Step Search. You can also try the Wizard to find a bird, which uses a question and answer approach, but again it does not give you the flexibility of the Step by Step Search.

 ALL  A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z 
Mountain Bluebird
Mountain Bluebird: Small thrush with brilliant blue back, head, and wings. Throat and breast are paler blue, and belly and undertail coverts are white. Hovers more than other bluebirds and drops on prey from above, also catches insects in flight. Eats mostly insects in the summer.
McCown's Longspur
McCown's Longspur: Medium-sized sparrow with streaked gray upperparts, plain gray underparts, and darker breast. The head has a black crown, white face and throat, and a stout, heavy bill. White tail has diagnostic black inverted T. Wings have chestnut-brown bars. Black legs and feet.
Mountain Plover
Mountain Plover: Medium-sized plover with pale brown upperparts, white underparts, and brown sides. Head has brown cap, white face, and dark eyestripe. The upperwings are brown with black edges and white bars; underwings are white. Tail is brown-black with white edges. Legs and feet are pale gray.
Mourning Warbler
Mourning Warbler: Medium-sized warbler with an olive-green back, wings, tail, and gray hood. The underparts are yellow and the upper breast is black. It's named for the way its dark breast and hood resemble a person in mourning. It is one of the latest spring migrants of all North American warblers.
Magnificent Frigatebird
Magnificent Frigatebird: Large black seabird, orange throat patch inflates into a huge bright red-orange balloon when in courtship display. Long bill is gray, hooked. Wings are long and narrow. Tail is forked; legs and feet are dark gray. Eats fish, crustaceans, jellyfish. High soaring flight.
Magnificent Hummingbird
Magnificent Hummingbird: Large hummingbird of Mexican highlands, occurs in limited areas of southwest U.S. Appears very dark green overall, in good light may show blue-green to green throat, purple forehead, gray vent, small but prominent white spot behind eye; tail is all dark. Black legs, feet.
Muscovy Duck
Muscovy Duck: Large, usually domesticated duck; wild birds are dark with white wing patch that is visible in flight; domesticated birds occur in any mix of white and black. Crested head; bare face, may be black or red or a combination, has large wart-like knob at the base of the bill.
Mexican Jay
Mexican Jay: Large, crestless jay, blue-gray back, blue head, wings, rump, tail, and pale gray underparts. Bill, legs, feet are black. Feeds primarily on acorns, also eats insects, fruit, carrion and eggs and young of other birds. Slow steady bouyant wing beats. Glides between perches.
Mottled Duck
Mottled Duck: Medium dabbling duck with dark brown mottled body, feathers usually show distinct multi-toned chevrons, buff-brown face and unmarked neck, darker crown and eye line. Speculum is blue-green bordered with black and fine white bars. Bill is bright yellow; legs and feet are orange.
Masked Booby
Masked Booby: Large seabird with white body, black trailing edge on wings, pointed black tail. Head has black mask and long, pointed, yellow bill. Legs and feet are yellow-gray. Plunge dives from 40 feet for small squid and flying fish. Alternates strong rapid wing beats with glides.
Mallard
Mallard: Medium-sized dabbling duck with gray body and chestnut-brown breast. The head is green and neck ring is white. Bill is yellow-green. Wing speculum is white-bordered metallic purple-blue. The tail is dark with distinct white edges and two curled black feathers. Legs and feet are orange.
Marsh Wren
Marsh Wren: Small wren with lightly barred, warm brown upperparts, black-and-white triangular patch on upper back, and dull white underparts with pale brown sides. Crown is dark and eyebrows are white. Tail is relatively short and dark-barred. Black bill is long and slender. Legs and feet are black.
Mississippi Kite
Mississippi Kite: Small kite, dark gray upperparts, pale gray underparts and head. Eyes are red. Upperwings are dark gray with pale gray patches. Tail is long and black. Feeds on large flying insects. Bouyant flight with steady wing beats, alternates several wing strokes with short to long glides.
Merlin
Merlin: Small falcon with blue-gray upperparts, white to pale brown underparts with dark streaks. Throat, eye-ring, line above eye are white. Dark gray bill, cere is yellow. Tail is brown or black barred with white tips. Pacific race is dark gray. Prairie race is light gray. Taiga race is a mixture.
Marbled Godwit
Marbled Godwit: Large sandpiper with black-marked, dark brown upperparts, lightly barred, chestnut-brown underparts. Long pink bill has black tip, is slightly upcurved. Pale brown underwings visible in flight. Feeds on crustaceans, mollusks, worms, insects, seeds, berries. Swift and direct flight.
MacGillivray's Warbler
MacGillivray's Warbler: Medium-sized warbler with olive-green upperparts and yellow underparts. White eye-ring is broken and slate gray hood extends to upper breast where it darkens to black. It forages for insects on or close to the ground. As it hops, it often flicks its tail from side to side.
Magnolia Warbler
Magnolia Warbler: Medium-sized warbler with dark back, yellow rump, and black-streaked yellow underparts. The head has a blue-gray crown, yellow throat, and thick white eyebrows. Wings are dark with two white bars. Tail is dark with white patches and undertail coverts. Bill, legs and feet are black.
Mourning Dove
Mourning Dove: Medium-sized dove with gray-brown upperparts and pink-brown underparts. Eyes are dark with a small, black spot beneath. Bill is dark. Wings are gray-brown with black spots and dark primaries. Tail is long and pointed with black-edged white tips on outer feathers. Swift direct flight.