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gptkbp:instanceOf
|
gptkb:bird
|
|
gptkbp:behavior
|
highly gregarious
|
|
gptkbp:breedingSeason
|
marshes
March to July
agricultural fields
|
|
gptkbp:callsign
|
harsh, metallic notes
|
|
gptkbp:clutchSize
|
3-4
|
|
gptkbp:conservationStatus
|
Endangered (California)
|
|
gptkbp:describedBy
|
gptkb:John_James_Audubon
|
|
gptkbp:describedYear
|
1837
|
|
gptkbp:diet
|
insects
seeds
|
|
gptkbp:distinctiveFeature
|
white border on red shoulder patch
|
|
gptkbp:eggColor
|
bluish-green
|
|
gptkbp:family
|
gptkb:Icteridae
|
|
gptkbp:fledgingPeriod
|
11-13 days
|
|
gptkbp:foragingBehavior
|
ground forager
|
|
gptkbp:genus
|
gptkb:Agelaius
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Tri-colored blackbird
|
|
gptkbp:incubationPeriod
|
11-14 days
|
|
gptkbp:IUCNStatus
|
Vulnerable
|
|
gptkbp:length
|
18-24 cm
|
|
gptkbp:lifespan
|
up to 13 years
|
|
gptkbp:malePlumage
|
black with red and white shoulder patches
|
|
gptkbp:migratory
|
partially migratory
|
|
gptkbp:nativeTo
|
gptkb:California
gptkb:western_North_America
|
|
gptkbp:nesting
|
colonial nester
|
|
gptkbp:notableColonySize
|
up to tens of thousands of birds
|
|
gptkbp:notableFor
|
large breeding colonies
|
|
gptkbp:order
|
gptkb:Passeriformes
|
|
gptkbp:plumage
|
brown and streaked
|
|
gptkbp:population
|
declining
|
|
gptkbp:predators
|
hawks
snakes
ravens
|
|
gptkbp:primaryNestingMaterial
|
cattails
grain crops
bulrushes
|
|
gptkbp:protectedBy
|
gptkb:Migratory_Bird_Treaty_Act
gptkb:California_Endangered_Species_Act
|
|
gptkbp:range
|
gptkb:California_Central_Valley
|
|
gptkbp:scientificName
|
gptkb:Agelaius_tricolor
|
|
gptkbp:similarTo
|
gptkb:Red-winged_blackbird
|
|
gptkbp:threats
|
habitat loss
agricultural practices
|
|
gptkbp:weight
|
40-70 g
|
|
gptkbp:wingspan
|
30-35 cm
|
|
gptkbp:bfsParent
|
gptkb:Merced_National_Wildlife_Refuge
|
|
gptkbp:bfsLayer
|
8
|