Haematopus palliatus

GPTKB entity

Statements (57)
Predicate Object
gptkbp:instanceOf species
gptkbp:adultPlumage black and white
gptkbp:aircraft black with white tips
gptkbp:behavior territorial during breeding season
gptkbp:breedingSeason spring to summer
displays and calls
coastal sandbars
coastal_North_America
gptkbp:clutchSize 2 to 4 eggs
gptkbp:colors dark brown
orange-red
long, straight bill
black head and back, white underparts
gptkbp:commonName gptkb:American_Oystercatcher
gptkbp:conservationEfforts Least Concern
protected in many areas
gptkbp:cookingMethod diurnal
gptkbp:diet mollusks
gptkbp:eggColor 1 to 4 eggs
speckled_brown
gptkbp:environmentalImpact sensitive to climate change effects
gptkbp:family Haematopodidae
gptkbp:firstDescribedBy by_Gmelin_in_1789
gptkbp:fledgingPeriod about 30 days
gptkbp:foragingBehavior visual foraging
forage for food at low tide
gptkbp:geographicalFeature gptkb:North_America
gptkbp:habitat coastal areas
intertidal zones
sandy or rocky shores
gptkbp:hasCitations adapted to foraging on beaches
gptkbp:headlights white
https://www.w3.org/2000/01/rdf-schema#label Haematopus palliatus
gptkbp:incubationPeriod about 28 days
gptkbp:length 40–50 cm
gptkbp:localNames gptkb:Oystercatcher
gptkbp:migration partial migrant
some migrate south in winter
short to moderate distances
gptkbp:nesting beaches
varies by location
ground-nesting
grasses and shells
gptkbp:order Charadriiformes
gptkbp:populationTrend stable
gptkbp:predators foxes
gptkbp:relatedPatent Haematopus ostralegus
gptkbp:socialResponsibility often seen in pairs or small groups
gptkbp:socialStructure monogamous
gptkbp:subspecies none known
gptkbp:territory defend nesting areas
gptkbp:threats habitat loss
gptkbp:voiceCast contact calls
loud, piping calls
gptkbp:weight 500–800 g
gptkbp:wingspan 80–90 cm
gptkbp:youth_development leave the nest after 4 weeks