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Conservation News

Feb. 21, 1999
Con frecuencia, cuando pensamos en las aves que emigran a los trópicos las ubicamos en áreas cercanas como el Caribe y México.
Feb. 21, 1999
Imagine que usted ha estado viajando en su automóvil durante horas.
Feb. 21, 1999
Volar proporciona la mayor movilidad y ha hecho posible la evolución de la migración aérea como un medio para aprovechar los recursos alimenticios distantes y evitar la tensión fisiológica asociada...
Feb. 21, 1999
Varias especies de insectos, entre ellas ...experimentan ciclos vitales durante los cuales las poblaciones de cada especie se mantienen reducidas por varios años y luego son seguidas de explosiones o...
Feb. 21, 1999
En medio de un ambiente cada vez más alterado y reducido, tanto en Norteamé-rica como en la América Latina, las aves migratorias han hallado un santuario en un entorno semejante al de los bosques en...
Jan. 01, 1999
A Neotropical migratory bird is a bird that breeds in Canada and the United States during our summer and spends our winter in Mexico, Central America, South America or the Caribbean islands.
small bird
Dec. 01, 1998
The Turkey Vultures could be seen circling overhead from miles away and the smell was so strong it made your eyes tear. Pulling into the dump in Negril, Jamaica wasn't my idea of a fun way to spend a...
Oct. 15, 1998
I commonly experience the Worm-eating Warbler in two ways. During the winter, walking through the tropical forest in Belize, I hear a soft rustling through the drone of cicadas. Whipping around to...
Aug. 14, 1998
Not many raptors can match the buoyancy, ease and grace with which Mississippi kites conquer the sky.
Jul. 15, 1998
One might know the Summer Tanager by its alias, the "beebird." Due to its diet of bees, it is a well-known pest around apiaries and is persecuted by beekeepers. Primarily insectivorous, this tanager...
Jun. 14, 1998
Least terns were collected by the thousands from the Atlantic coast for this decorative purpose, only to frighteningly diminish their numbers.
small bird on a bare branch
Jun. 01, 1998
Practically all of the birds have arrived from their migration and spring is in full swing when the eastern wood-pewee decides to grace us with its presence.
May. 01, 1998
Those of you who have suffered from "warbler neck" may well have acquired this common birding malaise while attempting to find our Bird of the Month, high in the top of a spruce or hemlock tree.
Apr. 01, 1998
Out on the range, in the sage and pine lives the Great Basin's indomitable, spirited Empidonax, the Gray Flycatcher. The subject of much confusion in the late 19th and early 20th Centuries, this...
Mar. 01, 1998
Standing on a hilltop in central Panama in October, you might suddenly notice that the midday sky has gone dark. Sure, clouds have rolled in as usual during the rainy season, but this dark cloud...
Feb. 15, 1998
Over the quiet murmur of a woodland stream and the subtle whisper of breezes through the leaves of tall trees, the rich, liquid song of a Wood Thrush resonates through the morning air.
bird on bird house
Jan. 14, 1998
The largest of the nine swallow species that breed in North America north of Mexico, the purple martin (Progne subis) maintains a geographic range that swoops from the western to the central...
a researcher releasing a migratory bird on a beach
Jan. 01, 1998
The word pesticide is a catch-all term for chemicals that kill or control anything that humans have deemed to be a pest. Such chemicals can be grouped according to the kind of organism targeted, such...
Nov. 15, 1997
January winds in Nantucket are wicked, a ferocious combination of arctic cold and New England dampness. Downtown streets and rural woods are nearly empty—tourists and birds alike having fled for...
Sep. 15, 1997
The appearance and behavior of Swainson's Hawk is much like its close North American relatives; Red-tailed (Buteo jamaicensis), Broad-winged (Buteo platypterus), White-tailed (Buteo albicaudatus),...
Sep. 01, 1997
With outstretched wings, a male Buff-breasted Sandpiper tilts its bill upward and does the "shake". Several females scrutinize his dance in their search for the best male to father their young....
Jul. 01, 1997
In the summertime, the high-pitched, persistent song of the dazzling male indigo bunting is a common roadside sound throughout the eastern United States and southeastern Canada.
May. 01, 1997
Like a centurion standing guard, the Cedar Waxwing strikes a commanding pose with its natty garb and erect profile.
Apr. 01, 1997
In the cool mist of a waterfall, several black arrows dart back and forth to the recesses behind the falls. Behind this veil of cascading water in the damp moss-laden cliffs, hidden and safe from...
Feb. 01, 1997
Rice bird, meadow-wink, skunk blackbird, reed bird, butter bird—these various names for the member of the blackbird family most commonly known as the bobolink reflect the diversity of ways in which...