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.

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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 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.
Monk Parakeet
Monk Parakeet: Medium parakeet, green overall, gray forehead, cheeks, lores, throat. Breast is gray, variably barred by dark edges on feathers. Pale pink bill. Belly; lower back, and rump are yellow-green. Wings are dull green with blue flight feathers. Tail is green above with central blue shafts.
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.
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.