Black Scoter
ExplorarAves
Black Scoter
melanitta americana
The Black Scoter (Melanitta americana) is a charismatic sea duck known for its striking all-black plumage in males and its distinctive bill. These highly social birds are powerful divers, spending much of their time foraging for shellfish and marine invertebrates in coastal waters and large freshwater bodies. Black Scoters are strong fliers and undertake extensive migrations, forming large, often dense flocks during their non-breeding seasons. Their unique vocalizations and impressive synchronized diving behaviors make them a fascinating species for birdwatchers and naturalists, highlighting their adaptation to harsh aquatic environments.
Hábitat: Found primarily in coastal marine environments, estuaries, and large freshwater lakes during winter, and breeding in arctic and subarctic tundra ponds and boreal forest lakes.
Aspecto
Adult male Black Scoters are entirely matte black, with a prominent, bulbous orange-yellow knob at the base of their black bill. Their eyes are dark. Females are dark brownish-black overall, with paler, contrasting cheeks and a dark cap. Their bill is dark and lacks the male's distinctive knob. They are medium-sized ducks, typically appearing bulky with a long body and relatively short tail. In flight, they show all-dark wings, which are held stiffly.
ReinoAnimaliaFiloChordataClaseAvesOrdenAnseriformesFamiliaAnatidaeGéneroMelanitta
Categoría
AvesRareza
Common
Peligro
1/5 · Muy bajo
Snaps
¡Sé la primera persona en hacer un snap!
Datos interesantes
During migration and winter, Black Scoters often form enormous, dense rafts on open water, sometimes numbering in the tens of thousands.
Male Black Scoters are unique among ducks for their entirely black plumage and the distinctive orange-yellow knob at the base of their bill.
Their call is often described as a soft, whistly 'poo-poo' or 'pew-pew', a unique sound among sea ducks.
Unlike many ducks, Black Scoters typically take flight by running across the water's surface, requiring a considerable 'runway' to become airborne.
Habilidades especiales
Habilidad
Deep Diving Forager
Black Scoters are expert divers, capable of submerging for extended periods to forage on the seafloor. They use their powerful webbed feet to propel themselves underwater, reaching depths of several meters.
Habilidad
Synchronous Foraging
When foraging in flocks, Black Scoters often dive simultaneously in a coordinated fashion. This behavior helps them efficiently exploit food resources and may offer some protection from predators by confusing them.
Habilidad
Specialized Bill Anatomy
Their unique bill, particularly the large knob in males, is adapted for prying mollusks and other benthic invertebrates from rocks and substrate. The strong, somewhat flattened bill helps crush shells.
Medidas y detalles
- Longitud
- 43-56 cm
- Envergadura
- 79-88 cm
- Peso
- 0.9-1.5 kg
- Esperanza de vida
- 10-15 años
- Top Speed
- 90 km/h
- Tamaño de la puesta
- 6-9
- Incubación
- 27-31 días
- Distancia de migración
- 4000 km
Dieta y alimentación
Black Scoters are primarily carnivores, feeding almost exclusively on benthic invertebrates. They dive to the bottom of aquatic habitats to extract their prey.
Alimentos principales
- Mussels
- Clams
- Marine snails
- Crustaceans
- Marine worms
- Aquatic insect larvae
Método de búsqueda
- Pursuit
Conexiones ecológicas
eaten by
Arctic Fox
Vulpes lagopus
Arctic foxes may prey on eggs and young ducklings in nesting colonies.
eaten by
Bald Eagle
Haliaeetus leucocephalus
Bald Eagles are opportunistic predators and may prey on adult scoters, especially during winter months when scoters are concentrated on coastal waters.
hunts
Blue Mussel
Mytilus edulis
Mussels are a primary food source for Black Scoters, which dive to consume them from the seafloor.
competitor
Herring Gull
Larus argentatus
Gulls may sometimes attempt to kleptoparasitize scoters, stealing food that they have brought to the surface.
Rasgos
Aún no hay insignias de rasgos asignadas a este objeto.
También conocido como
Todavía no hay alias listados.
Colecciones
Las colecciones para este objeto aparecerán aquí a medida que se añadan más temas.
Seguridad
Peligro
1/5 · Muy bajo
Todavía no hay notas especiales de seguridad.
Preguntas frecuentes
¿Cómo identificar a Black Scoter?
La forma más fácil de identificar a Black Scoter es usar la aplicación de identificación de naturaleza Snappit.
¿Cuál es el longitud de Black Scoter?
43-56 cm
¿Cuál es el envergadura de Black Scoter?
79-88 cm
¿Cuál es el peso de Black Scoter?
0.9-1.5 kg
¿Cuál es el esperanza de vida de Black Scoter?
10-15 años
¿Cuál es el top Speed de Black Scoter?
90 km/h
¿Qué come Black Scoter?
Black Scoters are primarily carnivores, feeding almost exclusively on benthic invertebrates. They dive to the bottom of aquatic habitats to extract their prey.
¿Dónde se encuentra normalmente Black Scoter?
Found primarily in coastal marine environments, estuaries, and large freshwater lakes during winter, and breeding in arctic and subarctic tundra ponds and boreal forest lakes.
Mapa de snaps
Acércate para separar los grupos y explorar dónde se ha fotografiado este objeto.
Cargando mapa…
Snaps recientes
Los snaps recientes aparecerán aquí a medida que se añadan nuevas observaciones.
