Statements (62)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
bird
|
| gptkbp:adaptation |
cryptic coloration
|
| gptkbp:behavior |
diving bird
|
| gptkbp:breedingSeason |
spring to summer
gray and white head bobbing high in suitable habitats Europe_and_Asia |
| gptkbp:callsFor |
trumpet-like
|
| gptkbp:clutchSize |
3-6 eggs
|
| gptkbp:colors |
dark brown and black
|
| gptkbp:communityEvents |
pair bonding
aggressive during breeding season |
| gptkbp:cultural_significance |
birdwatching species
|
| gptkbp:diet |
invertebrates
|
| gptkbp:distribution |
Eurasia_and_North_America
|
| gptkbp:eggColor |
white
|
| gptkbp:environmental_impact |
sensitive to changes.
|
| gptkbp:family |
gptkb:Podicipedidae
|
| gptkbp:fauna |
Eared Grebe
Horned Grebe |
| gptkbp:fledgingPeriod |
about 2 months
|
| gptkbp:foragingBehavior |
pursuit diving
surface diving |
| gptkbp:genus |
Podiceps
|
| gptkbp:habitat |
freshwater lakes
vegetated wetlands coastal bays |
| https://www.w3.org/2000/01/rdf-schema#label |
Black-necked Grebe
|
| gptkbp:iceClass |
coastal waters
|
| gptkbp:incubationPeriod |
about 23-25 days
|
| gptkbp:length |
30-38 cm
|
| gptkbp:lifespan |
up to 10 years
|
| gptkbp:migration |
partial migrant
autumn and spring coastal routes varies by population |
| gptkbp:nesting |
reeds and marshes
May to July both parents incubate floating nests site_fidelity |
| gptkbp:order |
Podicipediformes
|
| gptkbp:populationTrend |
stable
|
| gptkbp:predators |
birds of prey
|
| gptkbp:socialStructure |
gregarious
|
| gptkbp:subspecies |
Podiceps nigricollis caspicus
Podiceps nigricollis cornutus Podiceps nigricollis gurneyi Podiceps nigricollis nigricollis |
| gptkbp:sustainability_initiatives |
Least Concern
habitat protection |
| gptkbp:threats |
habitat loss
|
| gptkbp:vocalization |
soft whistles
|
| gptkbp:weight |
500-800 g
|
| gptkbp:wildlife |
rich in aquatic life
shallow lakes |
| gptkbp:wingspan |
70-80 cm
black and white black neck and head dark and striking |
| gptkbp:youth_development |
precocial
|