Statements (58)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
bird
|
| gptkbp:behavior |
often seen in flocks
loyal to nesting sites |
| gptkbp:breedingSeason |
aerial displays
May to July Canada_and_northern_United_States |
| gptkbp:clutchSize |
2 to 4 eggs
|
| gptkbp:colors |
white underparts
black tail gray_wings |
| gptkbp:communityEvents |
gregarious
|
| gptkbp:diet |
insects
fish |
| gptkbp:distribution |
gptkb:North_America
|
| gptkbp:eggColor |
pale blue
|
| gptkbp:family |
Laridae
|
| gptkbp:fauna |
gptkb:Chroicocephalus_philadelphia
Western gull Black-headed gull Ring-billed gull |
| gptkbp:firstGeneration |
2 years
|
| gptkbp:fledgingPeriod |
4 to 5 weeks
|
| gptkbp:foragingBehavior |
dipping
hovering surface feeding |
| gptkbp:genus |
Chroicocephalus
|
| gptkbp:habitat |
lakes_and_rivers
|
| https://www.w3.org/2000/01/rdf-schema#label |
Bonaparte's gull
|
| gptkbp:iceClass |
coastal_areas_of_the_United_States
southern_United_States_and_Mexico |
| gptkbp:incubationPeriod |
21 to 24 days
|
| gptkbp:length |
28–33 cm
|
| gptkbp:lifespan |
up to 15 years
|
| gptkbp:migration |
varies by region
migratory up to 3,000 km along_the_Mississippi_River |
| gptkbp:nesting |
grasses
feathers ground moss |
| gptkbp:predators |
birds of prey
|
| gptkbp:research |
important for ecology
|
| gptkbp:sustainability_initiatives |
Least Concern
habitat protection public awareness campaigns pollution control |
| gptkbp:threats |
climate change
pollution habitat loss |
| gptkbp:vocalization |
soft calls
|
| gptkbp:weight |
150–300 g
|
| gptkbp:wildlife |
popular among birdwatchers
boreal forests |
| gptkbp:wingspan |
white head
brown mottled black cap 76–81 cm |