Statements (55)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:whales
|
| gptkbp:behavior |
gptkb:common
|
| gptkbp:breeding_behavior |
every 2-3 years
|
| gptkbp:breeding_season |
winter
|
| gptkbp:calf_nursing_period |
about 6-8 months
|
| gptkbp:characteristic |
gray mottled skin
|
| gptkbp:climate_adaptation |
changes in breeding success
changes in migration timing increased competition for food shifts in feeding grounds |
| gptkbp:conservation_efforts |
protected under the Endangered Species Act
protected under the Marine Mammal Protection Act |
| gptkbp:conservation_status |
gptkb:Least_Concern
|
| gptkbp:cultural_representation |
symbol of marine conservation
featured in literature and art |
| gptkbp:cultural_significance |
important to indigenous peoples
|
| gptkbp:diet |
benthic crustaceans
|
| gptkbp:first_described_by |
1816
|
| gptkbp:foraging_behavior |
bottom feeding
|
| gptkbp:fossil_record |
dating back to the Pleistocene
|
| gptkbp:habitat |
gptkb:Pacific_Ocean
|
| gptkbp:has_natural_feature |
baleen plates
|
| https://www.w3.org/2000/01/rdf-schema#label |
California Gray Whale
|
| gptkbp:is_vulnerable_to |
climate change
|
| gptkbp:known_for |
unique feeding behavior
|
| gptkbp:length |
40-50 feet
|
| gptkbp:lifespan |
50-70 years
|
| gptkbp:migration |
long-distance migration
up to 12,000 miles from feeding grounds to breeding grounds |
| gptkbp:newborn_calf_length |
about 15 feet
|
| gptkbp:newborn_calf_weight |
about 1 ton
|
| gptkbp:notable_move |
logging
tail slapping spyhopping migratory stopovers |
| gptkbp:population |
approximately 20,000
|
| gptkbp:predators |
gptkb:killer_whales
|
| gptkbp:reproduction |
viviparous
|
| gptkbp:research_importance |
studied for social behavior
studied for migration patterns studied for population dynamics studied for feeding ecology |
| gptkbp:scientific_name |
gptkb:Eschrichtius_robustus
|
| gptkbp:season |
gptkb:Baja_California
|
| gptkbp:social_behavior |
mother-calf bond
|
| gptkbp:social_structure |
solitary or small groups
|
| gptkbp:threats |
entanglement in fishing gear
ship strikes |
| gptkbp:tourism_impact |
whale watching industry
economic benefits to coastal communities |
| gptkbp:vocalization |
low-frequency sounds
|
| gptkbp:weight |
30-40 tons
|
| gptkbp:bfsParent |
gptkb:state_of_California
|
| gptkbp:bfsLayer |
6
|