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gptkbp:instance_of
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gptkb:bird
|
|
gptkbp:bfsLayer
|
5
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gptkbp:bfsParent
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gptkb:Madison_Grant
|
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gptkbp:adaptation
|
webbed feet
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gptkbp:adult_plumage
|
dark brown and white
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gptkbp:behavior
|
solitary or in pairs
gregarious
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|
gptkbp:breeding_season
|
spring to summer
monogamous pairs
|
|
gptkbp:calls_for
|
trumpet-like sounds
|
|
gptkbp:clutch_size
|
2 to 6 eggs
|
|
gptkbp:color
|
seasonally variable
striped brown
|
|
gptkbp:conservation_efforts
|
habitat protection
|
|
gptkbp:conservation_status
|
gptkb:Least_Concern
|
|
gptkbp:cultural_significance
|
featured in folklore
|
|
gptkbp:diet
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gptkb:fish
|
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gptkbp:distribution
|
gptkb:North_America
|
|
gptkbp:ecological_role
|
indicator species.
|
|
gptkbp:egg_color
|
gptkb:white
|
|
gptkbp:family
|
gptkb:Podicipedidae
|
|
gptkbp:field
|
distinctive plumage
|
|
gptkbp:fishing_regulations
|
diving for prey
|
|
gptkbp:fledging_period
|
60 to 70 days
|
|
gptkbp:foraging_behavior
|
gptkb:Basketball_Player
pursuit diving
|
|
gptkbp:genus
|
gptkb:Aechmophorus
|
|
gptkbp:habitat
|
gptkb:North_America
shallow waters
calm waters
freshwater lakes
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
The American Grebe
|
|
gptkbp:incubation_period
|
23 to 25 days
|
|
gptkbp:interacts_with
|
birdwatching interest
|
|
gptkbp:length
|
30 to 38 cm
|
|
gptkbp:lifespan
|
up to 10 years
|
|
gptkbp:mating_system
|
elaborate swimming displays
|
|
gptkbp:migration
|
migratory
seasonal movements
autumn and spring
up to 1,500 km
coastal and inland
follow water bodies
|
|
gptkbp:nesting
|
floating nests
influenced by water levels
aquatic vegetation
near shorelines
|
|
gptkbp:predators
|
birds of prey
|
|
gptkbp:related_species
|
gptkb:Western_Grebe
|
|
gptkbp:research
|
population dynamics
behavioral ecology
|
|
gptkbp:social_structure
|
loose flocks
|
|
gptkbp:species
|
gptkb:Aechmophorus_occidentalis
|
|
gptkbp:subspecies
|
gptkb:Aechmophorus_occidentalis_californicus
gptkb:Aechmophorus_occidentalis_occidentalis
|
|
gptkbp:territorial_behavior
|
during breeding season
|
|
gptkbp:threats
|
habitat loss
|
|
gptkbp:vocalization
|
varied calls
|
|
gptkbp:weight
|
500 to 1,200 g
|
|
gptkbp:wildlife
|
important for conservation
|
|
gptkbp:wingspan
|
70 to 80 cm
|
|
gptkbp:wintering_range
|
southern United States and Mexico
|
|
gptkbp:young
|
precocial
|