|
gptkbp:instanceOf
|
gptkb:bird
|
|
gptkbp:averageWingspan
|
39-42 cm
|
|
gptkbp:behavior
|
colonial nester
|
|
gptkbp:breedingRange
|
gptkb:Canada
gptkb:United_States
|
|
gptkbp:class
|
gptkb:Aves
|
|
gptkbp:clutchSize
|
4-6
|
|
gptkbp:commonName
|
gptkb:Hirondelle_noire
gptkb:Purpurschwalbe
gptkb:Andorinha-azul
|
|
gptkbp:conservationStatus
|
Least Concern
|
|
gptkbp:diet
|
gptkb:entomologist
|
|
gptkbp:ecologicalRole
|
controls insect populations
|
|
gptkbp:family
|
gptkb:Hirundinidae
|
|
gptkbp:firstDescribed
|
gptkb:Carl_Linnaeus
1758
|
|
gptkbp:fledgingPeriod
|
26-31 days
|
|
gptkbp:genre
|
gurgling, chattering
|
|
gptkbp:genus
|
gptkb:Progne
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Purple martin
|
|
gptkbp:incubationPeriod
|
15-18 days
|
|
gptkbp:IUCNStatusSystem
|
gptkb:IUCN3.1
|
|
gptkbp:kingdom
|
gptkb:Animalia
|
|
gptkbp:length
|
19-20 cm
|
|
gptkbp:lifespanWild
|
up to 13 years
|
|
gptkbp:migratory
|
true
long-distance migrant
|
|
gptkbp:nativeRange
|
gptkb:North_America
|
|
gptkbp:nestingHabits
|
cavity nester
|
|
gptkbp:notableFeature
|
aerial insect hunting
|
|
gptkbp:notableFor
|
largest swallow in North America
|
|
gptkbp:order
|
gptkb:Passeriformes
|
|
gptkbp:phylum
|
gptkb:Chordata
|
|
gptkbp:plumage
|
duller brownish (female/juvenile)
iridescent blue-black (male)
|
|
gptkbp:predators
|
hawks
owls
snakes
|
|
gptkbp:preferredNestingSites
|
tree cavities
man-made birdhouses
|
|
gptkbp:scientificName
|
gptkb:Progne_subis
|
|
gptkbp:sexualDimorphism
|
present
|
|
gptkbp:symbol
|
state bird of Pennsylvania (USA)
|
|
gptkbp:threats
|
competition with European starlings
competition with house sparrows
|
|
gptkbp:weight
|
45-60 g
|
|
gptkbp:winteringRange
|
gptkb:South_America
|
|
gptkbp:英文名
|
gptkb:Golondrina_purpúrea
|
|
gptkbp:bfsParent
|
gptkb:Cuban_martin
|
|
gptkbp:bfsLayer
|
6
|