Statements (131)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:bird
|
| gptkbp:adult_plumage |
black head and neck
|
| gptkbp:behavior |
Aggressive during breeding season
territorial during breeding season |
| gptkbp:breeding_range |
Canada and northern USA
|
| gptkbp:breeding_season |
spring to summer
Spring to early summer |
| gptkbp:call |
wailing or yodeling sounds
Loud, haunting wails |
| gptkbp:chick_coloration |
brown and spotted
|
| gptkbp:climate_impact |
affects breeding success
|
| gptkbp:clutch_size |
1 to 3 eggs
|
| gptkbp:color |
straight and pointed
|
| gptkbp:coloration |
black and white
black and white plumage Black and white plumage black and white in summer gray and white in winter |
| gptkbp:common_name |
gptkb:Loewe
gptkb:Common_Loon |
| gptkbp:conservation_efforts |
habitat protection
public awareness campaigns pollution control Protected in many areas |
| gptkbp:conservation_status |
gptkb:Least_Concern
|
| gptkbp:cultural_references |
Featured in folklore and art
|
| gptkbp:cultural_significance |
Symbol of wilderness
symbol of wilderness |
| gptkbp:diet |
gptkb:fish
|
| gptkbp:distribution |
North America and Eurasia
|
| gptkbp:egg_color |
olive-brown
cream or pale buff Olive-brown |
| gptkbp:family |
Gaviidae
|
| gptkbp:fishing_habits |
forages at night
forages during the day |
| gptkbp:fishing_impact |
affected by pollution
|
| gptkbp:fishing_regulations |
pursuit diving
impact population health Pursues fish underwater |
| gptkbp:fledging_period |
10 to 12 weeks
about 11 weeks leave nest after hatching |
| gptkbp:foraging_behavior |
gptkb:diving
|
| gptkbp:fossil_record |
dating back to the Pleistocene
|
| gptkbp:genus |
Gavia
|
| gptkbp:habitat |
freshwater lakes
Freshwater lakes |
| https://www.w3.org/2000/01/rdf-schema#label |
Great Northern Diver
|
| gptkbp:human_interaction |
sensitive to disturbances
|
| gptkbp:hunting_technique |
overfishing
|
| gptkbp:incubation_period |
about 28 days
28 to 30 days |
| gptkbp:length |
65 to 75 cm
61 to 81 cm |
| gptkbp:lifespan |
Up to 20 years
up to 20 years up to 30 years |
| gptkbp:mating_system |
dancing displays
|
| gptkbp:migration |
Varies by region
migratory partial migrant coastal waters Partial migrant late fall and early spring coastal routes up to 2000 km up to 3,000 km Moves south in winter |
| gptkbp:nest_location |
near water bodies
|
| gptkbp:nest_material |
aquatic vegetation
|
| gptkbp:nesting |
varies by location
May to June ground nest aggressive towards intruders Affected by predation builds nests with vegetation chooses secluded locations Builds nests with aquatic vegetation |
| gptkbp:nesting_site |
ground near water
On the ground near water |
| gptkbp:non-breeding_plumage |
white and gray
|
| gptkbp:order |
gptkb:Gaviiformes
|
| gptkbp:parent |
both parents care for young
|
| gptkbp:predators |
gptkb:Eagles
eagles |
| gptkbp:related_species |
gptkb:Gavia_pacifica
gptkb:Red-throated_Diver gptkb:Gavia_stellata gptkb:Gavia_arctica Black-throated Diver Gavia adamsii other loons Pacific Diver |
| gptkbp:reproduction |
monogamous pairs
Monogamous during breeding season |
| gptkbp:research |
Can be seen diving for long periods
|
| gptkbp:scientific_name |
gptkb:Gavia_immer
|
| gptkbp:social_behavior |
solitary or in pairs
solitary or in small groups Solitary or in small groups |
| gptkbp:species |
gptkb:Gavia_immer
|
| gptkbp:status_in_europe |
common in summer
|
| gptkbp:status_in_north_america |
common in summer
|
| gptkbp:subspecies |
none recognized
none known Gavia immer immer Gavia immer pacifica |
| gptkbp:success |
Variable based on conditions
|
| gptkbp:territorial_behavior |
defends breeding territory
|
| gptkbp:threats |
Pollution
pollution Habitat loss habitat loss human disturbance Human disturbance |
| gptkbp:vocalization |
distinctive calls
wailing calls Varied calls for communication |
| gptkbp:weight |
2 to 4 kg
2 to 5 kg |
| gptkbp:wildlife |
popular among birdwatchers
due to development |
| gptkbp:wingspan |
120 to 140 cm
|
| gptkbp:wintering_range |
coastal waters
Coastal waters southern USA and Mexico coastal marine waters |
| gptkbp:young |
chicks
|
| gptkbp:bfsParent |
gptkb:Birds_of_Palawan
|
| gptkbp:bfsLayer |
8
|