Properties (54)
Predicate | Object |
---|---|
gptkbp:instanceOf |
bird
|
gptkbp:behavior |
forages in flocks
often seen perched on tall vegetation |
gptkbp:breedingSeason |
March to August
marshes aggressive towards intruders often nests in colonies |
gptkbp:callsFor |
harsh and loud
|
gptkbp:clutchSize |
2 to 5 eggs
|
gptkbp:colors |
sexual dimorphism
|
gptkbp:conservationEfforts |
Endangered
habitat restoration legal protection |
gptkbp:culturalSignificance |
symbol_of_Puerto_Rico
|
gptkbp:diet |
fruits
insects |
gptkbp:eggColor |
blue-green
|
gptkbp:family |
Icteridae
|
gptkbp:fledgingPeriod |
12 to 14 days
|
gptkbp:foragingBehavior |
searches for food on the ground
|
gptkbp:habitat |
wetlands
prefers areas with standing water |
gptkbp:hasLength |
20 to 25 cm
|
https://www.w3.org/2000/01/rdf-schema#label |
Yellow-shouldered Blackbird
|
gptkbp:lifespan |
up to 10 years
|
gptkbp:matingSystem |
polygynous in some cases
|
gptkbp:migration |
non-migratory
|
gptkbp:nativeTo |
gptkb:Puerto_Rico
|
gptkbp:nesting |
shrubs
April to July eggs and chicks are vulnerable to predation affected by environmental factors made of grasses and reeds |
gptkbp:order |
Passeriformes
|
gptkbp:populationTrend |
declining
estimated in the thousands |
gptkbp:predators |
cats
snakes |
gptkbp:relatedTo |
gptkb:Yellow-headed_Blackbird
gptkb:Red-winged_Blackbird |
gptkbp:reproduction |
monogamous
|
gptkbp:researchInterest |
important for conservation studies.
|
gptkbp:scientificName |
Agelaius_xanthomus
|
gptkbp:socialResponsibility |
gregarious
|
gptkbp:socialStructure |
dominant males establish territories
|
gptkbp:soundtrack |
melodic and varied
|
gptkbp:territory |
defends nesting area
|
gptkbp:threats |
habitat loss
invasive species |
gptkbp:vocalization |
used for communication and mating
|
gptkbp:weight |
50 to 70 g
|
gptkbp:wingspan |
30 to 35 cm
|
gptkbp:youth_development |
brown and streaked
black with yellow shoulder patches |