gptkbp:instanceOf
|
bird
|
gptkbp:airlines
|
dynamic soaring
|
gptkbp:breedingSeason
|
aerial displays
high in predator-free areas
Southern_Hemisphere_winter
|
gptkbp:colors
|
white underparts
white neck
dark brown upperparts
|
gptkbp:communityEvents
|
colonial nesting
|
gptkbp:debutYear
|
1844
|
gptkbp:diet
|
zooplankton
|
gptkbp:eggColor
|
white
|
gptkbp:family
|
Procellariidae
|
gptkbp:fauna
|
gptkb:Pterodroma_macroptera
|
gptkbp:fledgingPeriod
|
about 3 months
|
gptkbp:foragingBehavior
|
scavenging
surface feeding
up to 1000 km from breeding sites
|
gptkbp:genus
|
gptkb:Pterodroma
|
gptkbp:habitat
|
oceanic islands
|
https://www.w3.org/2000/01/rdf-schema#label
|
White-necked Petrel
|
gptkbp:incubationPeriod
|
about 11 weeks
|
gptkbp:introduced
|
gptkb:John_Gould
|
gptkbp:length
|
45–50 cm
|
gptkbp:lifespan
|
up to 20 years.
|
gptkbp:matingSystem
|
monogamous
|
gptkbp:migration
|
non-migratory
not migratory
remains in breeding areas year-round
|
gptkbp:nesting
|
burrows
September to December
affected by introduced species
|
gptkbp:order
|
Procellariiformes
|
gptkbp:populationTrend
|
stable
|
gptkbp:predators
|
feral cats
rats
|
gptkbp:range
|
South_Pacific_Ocean
|
gptkbp:socialStructure
|
loose colonies
|
gptkbp:subspecies
|
gptkb:Pterodroma_cervicalis_gouldi
gptkb:Pterodroma_cervicalis_cervicalis
|
gptkbp:sustainability_initiatives
|
Least Concern
habitat protection
rat control
|
gptkbp:threats
|
fishing bycatch
plastic pollution
|
gptkbp:vocalization
|
grunting sounds
|
gptkbp:weight
|
700–900 g
|
gptkbp:wildlife
|
gptkb:Antipodes_Islands
gptkb:New_Zealand
gptkb:Chatham_Islands
|
gptkbp:wingspan
|
darker than adults
110–120 cm
mature after 3 years
|