Cascanueces Americano
Photo © Joe Brewer
Photo © Joe Brewer — CC BY 4.0 — Source: iNaturalist photo #555881105El cascanueces americano o cascanueces de Clark (Nucifraga columbiana) es una especie de ave paseriforme de la familia de los córvidos (Corvidae) representante americano del género Nucifraga, que incluye a dos especies de córvidos de los bosques fríos y templados del Hemisferio Norte. Esta especie se encuentra desde Canadá hasta el norte de México.
La fuente más importante de alimentación de esta especie son los piñones, es decir, las semillas de los pinos, principalmente de las dos especies de clima frío (gran altitud) de pinos blancos (Pinus subgénero Strobus) con grandes semillas Pino de corteza blanca (P. albicaulis) y Pino huyoco (P. flexilis), pero también usa otras especies de gran altitud como el pino de Balfour (P. balfouriana), el pino longevo (P. longaeva) y el pino blanco occidental (P. monticola). Durante sus migraciones a altitudes menores, también usa ampliamente las semillas de pinos piñoneros. La población aislada de Cerro Potosí se asocia estrechamente con un endemismo local, Pinus culminicola. Todos los cascanueces americanos tienen un saco sublingual capaz de guardar alrededor de 90 semillas; el saco acrecienta grandemente la capacidad del pájaro de transportar y almacenar semillas.
Glacier National Park
Glacier, Canadá
+123 aves+30 mamíferos
Where the Columbia Mountains rise in British Columbia’s interior, temperate rainforest gives way to alpine meadows scattered with late-lying snow. […]
VER PARQUE NACIONALKootenay National Park
Area G (Forster Creek/Mount Assiniboine), Canadá
+64 aves+26 mamíferos
Where the Canadian Rockies fracture into emerald valleys, hot springs bubble through mineral-rich earth, and the Kootenay River carves its […]
VER PARQUE NACIONALBanff National Park
Improvement District No. 9, Canadá
+121 aves+30 mamíferos
Where turquoise glacial lakes mirror jagged peaks and coniferous forests sweep across vast alpine plateaus, one of North America’s most […]
VER PARQUE NACIONALJasper National Park
Improvement District No. 12, Canadá
+127 aves+32 mamíferos
Where the Canadian Rockies erupt into a wilderness of turquoise glacial lakes and precipitous valleys, nearly 11,000 square kilometres of […]
VER PARQUE NACIONALLassen Volcanic National Park
Shasta County, Estados Unidos
+114 aves+25 mamíferos
Steaming vents pierce a landscape sculpted by volcanic fury, where obsidian flows meet alpine meadows across nearly 550 square kilometers […]
VER PARQUE NACIONALGreat Basin National Park
White Pine County, Estados Unidos
+12 aves+29 mamíferos
Where ancient bristlecone pines cling to limestone peaks and desert basins stretch beneath star-filled skies, one of North America’s most […]
VER PARQUE NACIONALZion National Park
Washington County, Estados Unidos
+123 aves+29 mamíferos
Where russet cliffs rise nearly a thousand metres above the Virgin River, sculpted by millennia of water and wind, an […]
VER PARQUE NACIONALGreat Sand Dunes National Park
Saguache County, Estados Unidos
+91 aves
Where the Rocky Mountain front meets the San Luis Valley, towering walls of sand rise improbably from the Colorado high […]
VER PARQUE NACIONALCapitol Reef National Park
Garfield County, Estados Unidos
+76 aves+25 mamíferos
Where the Waterpocket Fold rises like a ancient spine across Utah’s high desert, sculpted sandstone cliffs blaze in shades of […]
VER PARQUE NACIONALYosemite National Park
Mariposa County, Estados Unidos
+122 aves+30 mamíferos
Where granite monoliths rise nearly a vertical mile above verdant valleys, the Sierra Nevada reveals one of North America’s most […]
VER PARQUE NACIONALGrand Teton National Park
Teton County, Estados Unidos
+123 aves+30 mamíferos
Where granite peaks pierce the Wyoming sky, a landscape of raw geological drama unfolds across 2,550 square kilometers of pristine […]
VER PARQUE NACIONALYellowstone National Park
Park County, Estados Unidos
+120 aves+31 mamíferos
Geothermal plumes rise from an alien landscape where boiling springs feed crystalline pools and geysers erupt with clockwork precision across […]
VER PARQUE NACIONALMount Rainier National Park
Pierce County, Estados Unidos
+105 aves+27 mamíferos
Where volcanic slopes rise dramatically from temperate rainforest to alpine tundra, a landscape of raw geological power unfolds across 1,322 […]
VER PARQUE NACIONALCrater Lake National Park
Klamath County, Estados Unidos
+78 aves+21 mamíferos
Where the Cascade Range’s volcanic heart fractured 7,700 years ago, a mirror of impossible blue now reflects alpine wilderness at […]
VER PARQUE NACIONALBlack Canyon of the Gunnison National Park
Montrose County, Estados Unidos
+103 aves+23 mamíferos
Where granite walls plunge nearly 2,000 feet to meet the Gunnison River’s relentless current, some of North America’s steepest and […]
VER PARQUE NACIONALRocky Mountain National Park
Larimer County, Estados Unidos
+121 aves+31 mamíferos
Where granite peaks pierce the Colorado sky above 12,000 feet, alpine tundra sprawls across windswept plateaus alongside dense subalpine forests […]
VER PARQUE NACIONALSequoia National Park
Tulare County, Estados Unidos
+120 aves+29 mamíferos
Where ancient forests meet granite peaks, the Sierra Nevada’s western slope unfolds in a cathedral of superlatives. Towering giant sequoias, […]
VER PARQUE NACIONALKings Canyon National Park
Fresno County, Estados Unidos
+89 aves+23 mamíferos
Where granite gorges plunge nearly 4,000 feet into earth sculpted by ancient glaciers, Kings Canyon reveals the Sierra Nevada’s most […]
VER PARQUE NACIONALDeath Valley National Park
Inyo County, Estados Unidos
+130 aves+29 mamíferos
Where scorched salt flats stretch beneath some of Earth’s most punishing skies, a landscape of extremes unfolds across 30,012 square […]
VER PARQUE NACIONALWaterton Lakes National Park
Improvement District No. 04, Canadá
+127 aves+30 mamíferos
Where the Rocky Mountains plunge dramatically into the turquoise waters of two pristine glacial lakes, one of North America’s most […]
VER PARQUE NACIONALYoho National Park
Area A (Kicking Horse/Kinbasket Lake), Canadá
+81 aves+26 mamíferos
Where granite peaks claw at British Columbia’s sky, turquoise glacial rivers carve through valleys of old-growth forest, creating a landscape […]
VER PARQUE NACIONALAún no hay fotos de la comunidad. Inicia sesión para añadir la primera.
Aún no hay observaciones de la comunidad de esta especie.