Properties (53)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
bird
|
| gptkbp:aircraft |
gray with black tips
|
| gptkbp:behavior |
aggressive during nesting
|
| gptkbp:breedingSeason |
gptkb:Central_America
gptkb:North_America spring to summer aerial displays |
| gptkbp:clutchSize |
2 to 5 eggs
|
| gptkbp:colors |
black
white and gray |
| gptkbp:communityEvents |
colonial
|
| gptkbp:cultural_significance |
featured in local folklore
|
| gptkbp:diet |
fish
|
| gptkbp:distribution |
gptkb:North_America
|
| gptkbp:eggColor |
white or pale blue
|
| gptkbp:environmental_impact |
affects migration patterns
|
| gptkbp:family |
Laridae
|
| gptkbp:fauna |
gptkb:Sterna_forsteri
Common tern |
| gptkbp:fledgingPeriod |
3 to 4 weeks
|
| gptkbp:foragingBehavior |
surface feeding
dive for fish |
| gptkbp:genus |
Sterna
|
| gptkbp:habitat |
marshes
open water |
| gptkbp:headlights |
forked
|
| https://www.w3.org/2000/01/rdf-schema#label |
Forster's tern
|
| gptkbp:iceClass |
southern_United_States
|
| gptkbp:introduced |
by_George_Forster
|
| gptkbp:length |
30–36 cm
|
| gptkbp:lifespan |
up to 15 years
|
| gptkbp:localNames |
varies by region
|
| gptkbp:migration |
varies by region
migratory coastal routes |
| gptkbp:nesting |
islands
ground-nesting scrape nests in sand |
| gptkbp:notableWork |
indicator species
|
| gptkbp:photography |
often photographed in flight
|
| gptkbp:predators |
gulls
|
| gptkbp:research |
important for ecology
|
| gptkbp:socialStructure |
loose colonies
|
| gptkbp:subspecies |
none known
|
| gptkbp:sustainability_initiatives |
Least Concern
habitat protection |
| gptkbp:threats |
habitat loss
|
| gptkbp:voiceCast |
high-pitched calls
|
| gptkbp:weight |
100–200 g
|
| gptkbp:wildlife |
shallow coastal waters
due to development popular among birders |
| gptkbp:wingspan |
76–85 cm
|