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gptkbp:instance_of
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gptkb:bird
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gptkbp:behavior
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secretive
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gptkbp:breeding_behavior
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monogamous
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gptkbp:breeding_season
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April to August
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gptkbp:call
|
grating and harsh
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gptkbp:color
|
long and straight
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gptkbp:color_scheme
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striped back
|
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gptkbp:coloration
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brown and gray
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gptkbp:conservation_efforts
|
public awareness campaigns
habitat restoration
legal protection
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gptkbp:conservation_status
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endangered
|
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gptkbp:cultural_significance
|
symbol of wetland conservation
|
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gptkbp:diet
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insects
crustaceans
small fish
|
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gptkbp:egg_color
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gptkb:white
|
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gptkbp:egg_size
|
3.5 cm
|
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gptkbp:eye_color
|
gptkb:yellow
|
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gptkbp:fledging_period
|
3 weeks
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gptkbp:foraging_behavior
|
wading
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gptkbp:habitat
|
marshes
tidal marshes
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|
https://www.w3.org/2000/01/rdf-schema#label
|
California Clapper Rail
|
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gptkbp:length
|
30 to 36 cm
|
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gptkbp:migration
|
non-migratory
sedentary
|
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gptkbp:native_range
|
gptkb:California
|
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gptkbp:nest_location
|
ground in dense vegetation
|
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gptkbp:nest_material
|
grasses
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gptkbp:nesting
|
spring to summer
|
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gptkbp:population_trend
|
declining
|
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gptkbp:predators
|
foxes
birds of prey
raccoons
|
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gptkbp:related_species
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gptkb:King_Rail
gptkb:Clapper_Rail
gptkb:Virginia_Rail
|
|
gptkbp:research_focus
|
population studies
habitat requirements
behavioral studies
|
|
gptkbp:social_structure
|
solitary or in pairs
|
|
gptkbp:subspecies
|
gptkb:Rallus_longirostris_longirostris
gptkb:Rallus_longirostris_obsoletus
|
|
gptkbp:tail_length
|
short
|
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gptkbp:threats
|
gptkb:invasive_species
pollution
habitat loss
|
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gptkbp:vocalization
|
varied calls
|
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gptkbp:weight
|
200 to 300 g
|
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gptkbp:wingspan
|
50 to 60 cm
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gptkbp:wintering_range
|
salt marshes
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gptkbp:bfsParent
|
gptkb:San_Francisco_Bay_Estuary
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gptkbp:bfsLayer
|
6
|