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These birds forage in shallow brackish water or on mud flats, often scything their bills from side to side in water ( a feeding technique that is unique to the avocets ).
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These and birds
These birds are absent from the southern tip of Florida and the highest elevations of the Appalachian Mountains, but are found in eastern Mexico and in Cuba.
These birds are generally solitary or found in pairs early in the year, but family groups are common in the late summer and winter roosts may have two dozen or more birds in a single covey.
These are generally monogamous birds, though some evidence of polygamy has been noted.
These birds can raise 1-2 broods of 12-16 eggs per brood annually.
These birds are believed to have had a life span of about 20 to 25 years.
These are characteristics of mammals and birds.
Lovette, a member of the committee, said that more testing is needed to support that change, but concluded that " These results will likely initiate an interesting debate on how we should classify these birds.
These birds need about per pair so they can find enough food to feed their young and themselves.
These paired birds will mate every year between January and May.
These include from microscopic rotifers and insects, to fish, amphibians, birds and mammals.
These sand bars are often associated with large wetlands, which support large numbers of plant and animal species, as well as providing important rest areas for migratory birds.
These contain a rich southern biota ; typical examples include birds such as ibis and egrets.
These birds feed by hunting fish, squid and other small sea animals, for which they travel and dive quite extensively.
These same studies suggest, however, that moose learn quickly and adapt, fleeing an area if they hear or smell wolves, bears, or scavenger birds such as ravens.
These include all vertebrates with quadrupedal ancestors, including mammals, reptiles, amphibians, and birds.
These are either carrion-feeding or large raptors that can take live mammal prey, including Golden Eagle, Rough-legged Buzzard ( also known as the Rough-legged Hawk ), and Raven, or else seed-eating birds, including several species of grouse and crossbills.
These frequencies are invisible to humans, but visible to a number of insects and birds.
These birds are of great value as scavengers, especially in hot regions.
These eagles often target various arboreal or ground-dwelling mammals and birds, which are often unsuspectingly ambushed in such dense, knotty environments.
These included Guillaume Rondelet who described his observations in the Mediterranean and Pierre Belon who described the fish and birds that he had seen in France and the Levant.
These projects help to identify distributions of birds, their population densities and changes over time, arrival and departure dates of migration, breeding seasonality and even population genetics.
These flies are an important source of food for migratory and nesting birds.
These are mainly woodland birds with long tails and high visual acuity, hunting by sudden dashes from a concealed perch.
These data support the idea that non-breeding birds combine adrenal and / or gonadal DHEA synthesis with neural DHEA metabolism to maintain territorial behavior when gonadal testosterone secretion is low.
These and forage
These normally play an important role in controlling the growth of algae and also forage on detritus that accumulates as sediment on the bottom.
These highly nutritious plants were an important forage for heavy working horses in agriculture, and are still an excellent source of nectar for honey production as well as pollen for bee food.
These genera are also outwardly similar in that they each have exceptionally long, delicate legs and toes and the tendency to frequent seasonally wet habitats to forage, especially during chick-rearing.
These high trophic oceanodromous species undertake migrations of significant but variable distances across oceans for feeding, often on forage fish, or reproduction, and also have wide geographic distributions.
These omnivorous birds forage on the ground, mainly eating insects, especially grasshoppers, but also carrion, acorns and fruit in fall and winter.
These forage harvesters can be either tractor-drawn or self-propelled.
These birds forage on the ground under or near thickets or in low vegetation.
These diving birds forage underwater.
These diving birds forage underwater.
These diving birds forage underwater.
These birds forage for food in fields, mudflats, and shores, usually by sight.
These shorebirds forage for food on beaches, usually by sight, moving across the beaches in short bursts.
These birds forage on mudflats, picking up food by sight and feel ( bill ).
These birds forage for food on beaches, tidal flats and fields, usually by sight.
These birds forage for food on tundra, fields, beaches and tidal flats, usually by sight.
These birds forage for food on tundra, fields, beaches and tidal flats, usually by sight, although they will also feed by moonlight.
These birds forage on mudflats or in shallow water, probing or picking up food by sight.
These birds forage in shallow water, sometimes using their bills to stir up the water.
These birds forage in shallow water, sometimes using their bill to stir up the water.
These birds forage on mudflats, picking up food by sight, sometimes by probing.
These birds forage on rocky coasts, picking up food by sight.
These birds forage on mudflats during migration and the non-breeding season by probing or picking up food by sight.
These birds forage by probing on mudflats or tundra or picking up food by sight in shallow water.
These birds forage by moving about mudflats, picking up food by sight.
These birds forage on ground or water, picking up food by sight.
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