Statements (58)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
bird
|
| gptkbp:adultPlumage |
both parents care for young
|
| gptkbp:airlines |
light and graceful
|
| gptkbp:breedingSeason |
gptkb:Cabo_Verde_Islands
April to August |
| gptkbp:callsFor |
high-pitched and harsh
|
| gptkbp:clutchSize |
1 to 3 eggs
|
| gptkbp:colors |
black
dark brown |
| gptkbp:communityEvents |
colonial_nester
|
| gptkbp:cultural_significance |
none noted
|
| gptkbp:diet |
fish
|
| gptkbp:eggColor |
15 g
white or pale blue 40 x 30 mm |
| gptkbp:family |
Laridae
|
| gptkbp:fauna |
gptkb:Sterna_ancilla
Common Tern Gull-billed Tern |
| gptkbp:fishSpecies |
dive from the air
|
| gptkbp:fledgingPeriod |
30 to 35 days
|
| gptkbp:foragingBehavior |
surface diving
|
| gptkbp:genus |
Sterna
|
| gptkbp:geographicalFeature |
gptkb:Cabo_Verde_Islands
|
| gptkbp:habitat |
coastal areas
sandy shores and lagoons |
| gptkbp:headlights |
white
|
| https://www.w3.org/2000/01/rdf-schema#label |
Cabo Verdean Tern
|
| gptkbp:iceClass |
West_Africa
|
| gptkbp:incubationPeriod |
21 to 24 days
|
| gptkbp:introduced |
by_J._F._Gmelin_in_1789
|
| gptkbp:length |
30 to 35 cm
|
| gptkbp:localNames |
gptkb:Tern_de_Cabo_Verde
|
| gptkbp:matingSystem |
monogamous
|
| gptkbp:migration |
irregular
partial migrant depends on food availability |
| gptkbp:nesting |
sandy beaches
high in suitable areas scrapes in sand variable depending on conditions |
| gptkbp:populationTrend |
stable
|
| gptkbp:predators |
cats and rats
|
| gptkbp:research |
ongoing
studied but not extensively |
| gptkbp:skin |
black
|
| gptkbp:socialStructure |
loose colonies
|
| gptkbp:subspecies |
none known
|
| gptkbp:sustainability_initiatives |
Least Concern
monitoring populations |
| gptkbp:threats |
habitat loss
|
| gptkbp:vocalization |
distinctive calls during breeding season
|
| gptkbp:weight |
150 to 200 g
|
| gptkbp:wildlife |
popular among birdwatchers
|
| gptkbp:wingspan |
white and gray
brown and white mottled 75 to 80 cm gray upperparts |