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gptkbp:instance_of
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gptkb:bird
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gptkbp:bfsLayer
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6
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gptkbp:bfsParent
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gptkb:Hydrobates_homochroa
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gptkbp:adult_plumage
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brown and white mottled feathers
mature dark gray feathers
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gptkbp:behavior
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gregarious
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gptkbp:breeding_season
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April to September
defensive of nesting sites
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gptkbp:color
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dark gray above, white below
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gptkbp:conservation_efforts
|
habitat protection
monitoring populations
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gptkbp:conservation_status
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gptkb:Least_Concern
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gptkbp:cultural_significance
|
birdwatching interest
symbol of marine health
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gptkbp:diet
|
zooplankton
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gptkbp:egg_color
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gptkb:white
one egg per season
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gptkbp:family
|
gptkb:Procellariidae
|
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gptkbp:first_flight
|
dynamic soaring
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gptkbp:fledging_period
|
about 10 weeks
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gptkbp:foraging_behavior
|
dipping
surface feeding
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gptkbp:habitat
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gptkb:California_Channel_Islands
coastal waters
small colonies
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|
https://www.w3.org/2000/01/rdf-schema#label
|
California Storm-Petrel
|
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gptkbp:incubation_period
|
about 45 days
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gptkbp:is_observed_in
|
common in breeding areas
|
|
gptkbp:length
|
25 to 30 cm
|
|
gptkbp:lifespan
|
up to 15 years
|
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gptkbp:mating_system
|
aerial displays
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gptkbp:migration
|
late summer
partial migrant
along the Pacific Coast
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gptkbp:nesting
|
solitary or in small groups
May to August
rocky ledges
scraped out of soil or debris
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gptkbp:order
|
gptkb:Procellariiformes
|
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gptkbp:population_trend
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gptkb:Professional_Wrestler
|
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gptkbp:predators
|
seagulls
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gptkbp:range
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gptkb:North_America
|
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gptkbp:related_species
|
gptkb:Black_Storm-Petrel
gptkb:Fork-tailed_Storm-Petrel
gptkb:Leach's_Storm-Petrel
|
|
gptkbp:scientific_name
|
Oceanodroma macrodactyla
|
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gptkbp:threats
|
climate change
habitat loss
oil spills
|
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gptkbp:type_of_care
|
remain near colony
|
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gptkbp:vocalization
|
soft twittering calls
|
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gptkbp:weight
|
70 to 150 g
|
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gptkbp:wingspan
|
65 to 75 cm
|