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Cormorants are voracious fish eaters. they have fully-webbed feet.

Cormorant

Cormorants are voracious fish eaters. they have fully-webbed feet.

The Great Northern Diver, Colymbus glacialis, "...is black above, with belts of white spots making a "chess-board" pattern; the lower surface is white, and the throat is crossed by two bands of white with longitudinal black bars, while the head and neck are black with a purplish gloss, changing to green below." "...the bill is normally black, and the feet are bluish or greenish grey." "The Great Northern Diver, has a much more restricted range, breeding in Iceland, Greenland, and the Fur Countries as far west as the Great Slave Lake..." - A. H. Evans, 1900

Great Northern Diver

The Great Northern Diver, Colymbus glacialis, "...is black above, with belts of white spots making a…

Feet of a duck

Duck Feet

Feet of a duck

"Fig. 53 shows the lobate foot of a coot. In the lobate foot, a paddle results not from connecting webs, but from a series of lobes or flaps along the sides of the individual toes; as in the coots, grebes, phalaropes, and sun-birds. Lobation is usually associated with semipalmation, as is well seen in the grebes (Podicipedidae). In the snipe-like pharalopes (Phalaropodidae), lobation is present as a modification of a foot otherwise quite cursorial. The most emphatic cases of lobation are those in which each joint of the toes has its own flap, with a free convex border; the membranes as whole therefore present a scolloped outline." Elliot Coues, 1884

Coot Foot

"Fig. 53 shows the lobate foot of a coot. In the lobate foot, a paddle results not from connecting webs,…

"Fig. 52 shows the totipalmate foot of a pelican. The totipalmate is a special case of palmation, in which all four toes are webbed; this characterizes the whole order Steganopodes." Elliot Coues, 1884

Pelican Foot

"Fig. 52 shows the totipalmate foot of a pelican. The totipalmate is a special case of palmation, in…

"Fig. 53 bis - shows the lobate foot of a phalarope. In the lobate foot, a paddle results not from connecting webs, but from a series of lobes or flaps along the sides of the individual toes; as in the coots, grebes, phalaropes, and sun-birds. Lobation is usually associated with semipalmation, as is well seen in the grebes (Podicipedidae). In the snipe-like pharalopes (Phalaropodidae), lobation is present as a modification of a foot otherwise quite cursorial. The most emphatic cases of lobation are those in which each joint of the toes has its own flap, with a free convex border; the membranes as whole therefore present a scolloped outline." Elliot Coues, 1884

Phalarope Foot

"Fig. 53 bis - shows the lobate foot of a phalarope. In the lobate foot, a paddle results not from connecting…

Diving birds, such as the grebe, have webbed (or lobed) feet and are expert in swimming and diving.

Grebe

Diving birds, such as the grebe, have webbed (or lobed) feet and are expert in swimming and diving.

Herring gulls are web-footed and have long wings and tail, with remarkable power of flight.

Gull

Herring gulls are web-footed and have long wings and tail, with remarkable power of flight.

"Cupidonia. Tarsi scant-feathered to the toes in front and on sides, bare on a strip behind; toes extensively webbed at base." Elliot Coues, 1884

The Foot of a Prairie Hen

"Cupidonia. Tarsi scant-feathered to the toes in front and on sides, bare on a strip behind; toes extensively…

The loon is a diving bird. Its peculiar cry, sometimes resembling a hysterical laugh, has given rise to the expression, "crazy as a loon."

Loon

The loon is a diving bird. Its peculiar cry, sometimes resembling a hysterical laugh, has given rise…

Petrels resemble gulls, except in having the nostrils open as two parallel tubes on the top of the beak.

Petrel

Petrels resemble gulls, except in having the nostrils open as two parallel tubes on the top of the beak.

"...one or both webs may be so deeply incised, that is, cut away, that the palmation is practically reduced to semipalmation, as in terns of the genus Hydrochelidon." Elliot Coues, 1884

Incised Webbed Foot of a Tern

"...one or both webs may be so deeply incised, that is, cut away, that the palmation is practically…

"In the palmate or ordinary webbed foot, all the front toes are united by ample webs." Elliot Coues, 1884

Webbed Foot of a Tern

"In the palmate or ordinary webbed foot, all the front toes are united by ample webs." Elliot Coues,…