gptkbp:instance_of
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gptkb:bird
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gptkbp:bfsLayer
|
6
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gptkbp:bfsParent
|
gptkb:Agelaius_tricolor
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gptkbp:appearance
|
brighter than female
duller than male
|
gptkbp:behavior
|
social
|
gptkbp:breeding_season
|
spring to summer
|
gptkbp:clutch_size
|
3-5 eggs
|
gptkbp:color
|
gptkb:black
gptkb:red
gptkb:white
|
gptkbp:conservation_efforts
|
habitat restoration
legal protection
|
gptkbp:conservation_status
|
endangered
|
gptkbp:cultural_significance
|
symbol of California wetlands
|
gptkbp:diet
|
insects
seeds
|
gptkbp:egg_color
|
blue-green
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gptkbp:family
|
gptkb:Icteridae
|
gptkbp:fledging_period
|
12-14 days
after 2 weeks
|
gptkbp:foraging_behavior
|
diurnal
ground forager
|
gptkbp:genre
|
gptkb:launch_complex
|
gptkbp:habitat
|
wetlands
marshes
up to 1000 pairs
|
gptkbp:has_role
|
defending territory
incubation
|
https://www.w3.org/2000/01/rdf-schema#label
|
Tricolored Blackbird
|
gptkbp:incubation_period
|
11-14 days
|
gptkbp:interacts_with
|
flocking
|
gptkbp:length
|
20-23 cm
|
gptkbp:mating_system
|
displays
|
gptkbp:migration
|
non-migratory
|
gptkbp:nesting
|
grasses
both parents
in dense vegetation
|
gptkbp:order
|
gptkb:Passeriformes
|
gptkbp:population
|
less than 200,000 individuals
|
gptkbp:population_trend
|
declining
|
gptkbp:predators
|
birds of prey
raccoons
snakes
|
gptkbp:range
|
gptkb:California
California and Nevada
|
gptkbp:related_species
|
gptkb:Yellow-headed_Blackbird
gptkb:Red-winged_Blackbird
|
gptkbp:reproduction
|
oviparous
|
gptkbp:research_focus
|
indicator species
|
gptkbp:scientific_name
|
gptkb:Agelaius_tricolor
|
gptkbp:social_structure
|
colonial
|
gptkbp:territorial_behavior
|
defensive
|
gptkbp:territory
|
0.5-1 ha
|
gptkbp:threats
|
agricultural practices
habitat loss
predation
|
gptkbp:vocalization
|
gptkb:song
|
gptkbp:weight
|
50-70 g
|
gptkbp:wingspan
|
30-35 cm
|
gptkbp:wintering_range
|
agricultural fields
|