gptkbp:instance_of
|
gptkb:bird
|
gptkbp:adult_plumage
|
fledglings
|
gptkbp:behavior
|
social and vocal
|
gptkbp:breeding_behavior
|
monogamous
often near estuaries
|
gptkbp:breeding_range
|
California coast
up to 100 pairs
|
gptkbp:breeding_season
|
April to September
|
gptkbp:call
|
high-pitched
|
gptkbp:character_voice
|
calls and whistles
|
gptkbp:clutch_size
|
1 to 3 eggs
|
gptkbp:color
|
gptkb:black
white and gray
|
gptkbp:coloration
|
yellow with black tip
black cap on head
|
gptkbp:coloration_outside_breeding
|
gray and white
|
gptkbp:conservation_efforts
|
gptkb:Agriculture
habitat restoration
|
gptkbp:conservation_status
|
endangered
|
gptkbp:cultural_significance
|
symbol of coastal conservation.
|
gptkbp:diet
|
small fish
|
gptkbp:egg_color
|
white to pale buff
|
gptkbp:egg_size
|
1.5 inches long
|
gptkbp:first_described_by
|
1858
|
gptkbp:fishing_regulations
|
hover and plunge
|
gptkbp:fledging_period
|
about 3 weeks
|
gptkbp:foraging_behavior
|
dive for fish
|
gptkbp:habitat
|
coastal areas
|
gptkbp:habitat_preference
|
open sandy areas
|
https://www.w3.org/2000/01/rdf-schema#label
|
California least tern
|
gptkbp:incubation_period
|
about 21 days
|
gptkbp:lifespan
|
3 to 5 years
|
gptkbp:migration
|
migratory
late summer to fall
up to 1,000 miles
|
gptkbp:nest_material
|
gravel and shells
|
gptkbp:nesting
|
varies by year
ground-nesting
May to August
aggressive towards intruders
|
gptkbp:nesting_site
|
sandy beaches
|
gptkbp:population
|
less than 2,000 breeding pairs
|
gptkbp:predators
|
gulls
|
gptkbp:research_status
|
ongoing studies
|
gptkbp:scientific_name
|
gptkb:Sternula_antillarum_browni
|
gptkbp:social_structure
|
colonial
|
gptkbp:success
|
high in protected areas
|
gptkbp:tail_type
|
white with black edges
|
gptkbp:threats
|
habitat loss
|
gptkbp:weight
|
0.5 to 0.9 ounces
|
gptkbp:wing_configuration
|
gray with white tips
|
gptkbp:wingspan
|
20 to 24 inches
|
gptkbp:wintering_range
|
Central and South America
|
gptkbp:bfsParent
|
gptkb:San_Diego_Bay_National_Wildlife_Refuge
gptkb:Seal_Beach_National_Wildlife_Refuge
gptkb:Oceano_Dunes_State_Vehicular_Recreation_Area
gptkb:Oceano_Dunes
gptkb:Oceano_Dunes_Natural_Preserve
|
gptkbp:bfsLayer
|
6
|