
Ivory Gull
pagophila eburnea
The Ivory Gull is a ghostly, breathtakingly beautiful seabird of the High Arctic, immediately recognizable by its pure, snow-white plumage. Inhabiting some of the harshest environments on Earth, this medium-sized gull remains associated with pack ice throughout the year, rarely venturing far south. It is an incredibly resilient species, possessing remarkable adaptations that allow it to thrive where few other birds can survive. Known as a scavenger of the frozen north, the Ivory Gull is famously seen trailing polar bears across the endless ice fields. It feeds opportunistically on seal carcasses, fish, and marine invertebrates. Sadly, this elegant 'ghost of the Arctic' faces significant threats from climate change and melting sea ice, making it an important indicator species for the health of our polar ecosystems.
Hábitat: Typically found in the extreme High Arctic, nesting on remote nunataks, gravel cliffs, and rocky islands, while foraging primarily along the edges of pack ice.
Aspecto
Adult Ivory Gulls are entirely pristine white, lacking the grey or black markings typical of other gull species. They have a compact, pigeon-like profile with a relatively small head, short black legs, and dark, large-looking eyes. Their bill is distinctive, showing a slate-blue color at the base that transitions to a yellow or orange tip. Juveniles have a speckled appearance, covered with delicate black spots on their face, wings, and tail, which gradually fade over their first two years. Adults measure about 40 to 45 centimeters in length with a broad, powerful wingspan of roughly 110 centimeters, enabling agile flight in strong polar winds.

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Because they feed at the top of the Arctic food web via scavenging, they accumulate some of the highest concentrations of mercury and organochlorines of any Arctic bird.
Ivory Gulls often nest on nunataks, which are isolated mountain peaks that project through the surface of glaciers and ice sheets.
They avoid swimming in open water whenever possible, preferring to land on ice floes, frozen ground, or carcasses instead of resting on the ocean surface.
Unlike almost all other gulls, adult Ivory Gulls are entirely pure white, with absolutely no grey, brown, or black feathers on their wings or back.
Habilidades especiales
Thick Down Insulation
They possess an exceptionally dense layer of down feathers and specialized blood circulation in their legs to prevent heat loss in freezing Arctic temperatures.
Pristine Camouflage
Their pure white plumage provides perfect camouflage against the snow and ice, hiding them from aerial predators like gyrfalcons.
Opportunistic Scavenging
They have developed highly keen eyesight and a superb sense of navigation to locate marine mammal carcasses across vast, featureless ice fields.
Medidas y detalles
- Longitud
- 40+ cm
- Envergadura
- 100+ cm
- Peso
- 0.45+ kg
- Esperanza de vida
- 15+ años
- Top Speed
- 60 km/h
- Tamaño de la puesta
- 1+
- Incubación
- 24+ días
- Distancia de migración
- 3000 km
Dieta y alimentación
The Ivory Gull is an opportunistic carnivore and scavenger, consuming fish, marine invertebrates, and the remains of animals left behind by apex predators.
Diferencias por edad: Chicks are fed primarily small fish and marine invertebrates by parents, transitioning to a more opportunistic scavenger diet as they mature.
Alimentos principales
- Polar Cod
- Amphipods
- Seal carrion
- Whale blubber
- Lanternfish
Método de búsqueda
- Foraging
Conexiones ecológicas
Polar Bear
Ursus maritimus
Following the apex predator to scavenge leftovers from seal kills.
Arctic Fox
Vulpes lagopus
Preys upon eggs and chicks in nesting colonies.
Polar Cod
Boreogadus saida
Actively hunted by the Ivory Gull as a primary marine food source.
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Seguridad
Peligro
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Preguntas frecuentes
¿Cómo identificar a Ivory Gull?
La forma más fácil de identificar a Ivory Gull es usar la aplicación de identificación de naturaleza Snappit.
¿Cuál es el longitud de Ivory Gull?
40+ cm
¿Cuál es el envergadura de Ivory Gull?
100+ cm
¿Cuál es el peso de Ivory Gull?
0.45+ kg
¿Cuál es el esperanza de vida de Ivory Gull?
15+ años
¿Cuál es el top Speed de Ivory Gull?
60 km/h
¿Qué come Ivory Gull?
The Ivory Gull is an opportunistic carnivore and scavenger, consuming fish, marine invertebrates, and the remains of animals left behind by apex predators.
¿Dónde se encuentra normalmente Ivory Gull?
Typically found in the extreme High Arctic, nesting on remote nunataks, gravel cliffs, and rocky islands, while foraging primarily along the edges of pack ice.
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