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71 - 80
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89
items found.
71.
Seabirds FR
(File; Wed May 15 17:41:00 CDT 2013)
IntroductionCes oiseaux:• ne représentent que 3 % des espèces d’oiseaux du monde, bienque les deux tiers de la surface terrestre soient couverts d’eau;• sont plus nombreux dans les eaux polaires que dans lestropiques, et plus diversifi...
72.
Sharp Shinned Hawk EN
(File; Wed May 15 17:44:00 CDT 2013)
IntroductionThese hawks• fly in a direct, purposeful way just at or a little below tree-top level, with four orfive quick, sharp wingbeats followed by a short glide• are among the most secretive of birds in their nesting activities, an...
73.
Shorebirds EN
(File; Wed May 15 17:47:00 CDT 2013)
IntroductionThese birds• often follow different routes on the northward and southward migrations• include species with some of the longest migrations known• may fly for 40 to 60 hours on a direct flight across the ocean and at altitud...
74.
Trumpeter Swan EN
(File; Wed May 15 17:51:00 CDT 2013)
IntroductionThis swan• pumps its feet up and down over edible roots to create a current of water thatfrees the roots from the surrounding mud• may live in captivity for up to 35 years, but in the wild, swans generally live forless than...
75.
Tundra Swan EN
(File; Wed May 15 17:53:00 CDT 2013)
IntroductionThis swan• used to be called “whistling swan,” which referred not to its voice, but to thesound made by the slow, powerful beating of the bird’s wings in flight• usually forms a pair and “goes steady” for a year before bree...
76.
Wood duck EN
(File; Wed May 15 17:56:00 CDT 2013)
IntroductionThis bird• is a distinctively North American species, as shown by fossil remains• feeds on the water’s surface like a dabbling duck, but is considered byexperts to be a perching duck• normally nests in cavities in trees bu...
77.
Red-winged blackbird EN
(File; Thu May 16 22:29:00 CDT 2013)
IntroductionThis bird• nests and breeds in wetlands across North America• is one of the first signs of spring in Canada• is named for the male’s bright red shoulders—called epaulettes• defends its territory fiercely, attacking much l...
78.
Redhead EN
(File; Thu May 16 22:30:00 CDT 2013)
IntroductionThis bird• feeds on shallow water as part of a large flock• makes a mewing sound like a cat to attract a potential female mate• consumes a higher proportion of plant material in its diet than anyother diving duck• feeds t...
79.
Red-breasted nuthatch EN
(File; Thu May 16 23:21:00 CDT 2013)
IntroductionThis bird• descends head downwards on tree trunks and branches to search in nooksand crannies of the bark for tiny organisms• wedges hard-shelled nuts in a bark crevice and then hammers them with itsbill• carries spruce or...
80.
Purple Martin EN
(File; Mon May 20 17:22:00 CDT 2013)
IntroductionThis bird• usually nests in colonies, often in multi-compartment Purple Martin houses• male and female may feed their brood of nestlings up to 60 times a day• often gathers in enormous flocks during migration trips• feeds...
