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gptkbp:instance_of
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gptkb:bird
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gptkbp:bfsLayer
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5
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gptkbp:bfsParent
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gptkb:oystercatcher
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gptkbp:behavior
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territorial
often seen in pairs
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gptkbp:breeding_season
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April to August
precocial
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gptkbp:calls_for
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loud and distinctive
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gptkbp:color
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black and white
long and pointed
camouflage against rocks
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gptkbp:conservation_efforts
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habitat protection
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gptkbp:conservation_status
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gptkb:Least_Concern
gptkb:collection
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gptkbp:cultural_significance
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symbol of coastal ecosystems
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gptkbp:diet
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gptkb:mythological_figure
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gptkbp:distribution
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gptkb:North_America
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gptkbp:egg_color
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speckled brown
1 to 4 eggs
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gptkbp:family
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gptkb:Haematopodidae
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gptkbp:field
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distinctive black and white plumage
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gptkbp:fledging_period
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30–40 days
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gptkbp:foot
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pink
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gptkbp:foraging_behavior
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forages at low tide
using bill to pry open shells
mudflats and tidal pools
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gptkbp:genus
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gptkb:Haematopus
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gptkbp:habitat
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coastal areas
intertidal zones
Pacific coast of North America
sandy beaches and rocky shores
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|
https://www.w3.org/2000/01/rdf-schema#label
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Black oystercatcher
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gptkbp:incubation_period
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28 to 32 days
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gptkbp:interacts_with
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disturbance from beachgoers
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gptkbp:length
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40–45 cm
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gptkbp:lifespan
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up to 20 years
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gptkbp:mating_system
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aerial displays
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gptkbp:migration
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non-migratory
not migratory
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gptkbp:nesting
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gptkb:railway_station
rocky shores
defends territory
affected by predation
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gptkbp:photography
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popular subject for birdwatchers
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gptkbp:population_trend
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stable in some areas
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gptkbp:predators
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eagles
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gptkbp:related_species
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gptkb:Eurasian_oystercatcher
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gptkbp:research
|
population monitoring
ecological impact assessments
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gptkbp:social_structure
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solitary or in pairs
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gptkbp:species
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Haematopus bachmani
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gptkbp:subspecies
|
none recognized
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gptkbp:threats
|
habitat loss
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gptkbp:vocalization
|
varied calls
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gptkbp:weight
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500–800 g
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gptkbp:wildlife
|
popular among enthusiasts
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gptkbp:wingspan
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80–90 cm
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gptkbp:young
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chicks
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