Great bustard
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The great bustard is a bird in the bustard family, and the only living member of the genus Otis. It breeds in open grasslands and farmland from northern Morocco, South and Central Europe to temperate
A museum display shows male–female sexual dimorphism.
Captive male great bustard, showing the characteristic long, beard-like feathers and heavy build
Close up of face
Trumpeter swan
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The trumpeter swan, or simply the trumpeter, is a species of swan found in North America. The heaviest living bird native to North America, it is also the largest extant species of waterfowl, with a w
Juvenile at the Cincinnati Zoo
Its black bill is useful in distinguishing the trumpeter swan from the introduced mute swan.
Plate 406 of the Birds of America by John James Audubon, depicting the trumpeter swan