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gptkbp:instance_of
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gptkb:whales
|
|
gptkbp:aired_on
|
up to 15 feet
|
|
gptkbp:behavior
|
gptkb:common
|
|
gptkbp:body_shape
|
elongated and streamlined
|
|
gptkbp:breeding_behavior
|
mating occurs in warm waters
|
|
gptkbp:breeding_range
|
around 5-10 years
|
|
gptkbp:breeding_season
|
winter
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|
gptkbp:calf_nursing_period
|
about 6-7 months
|
|
gptkbp:color
|
gray
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|
gptkbp:conservation_efforts
|
protected under the Marine Mammal Protection Act
|
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gptkbp:conservation_status
|
gptkb:Least_Concern
|
|
gptkbp:cultural_significance
|
important to Indigenous peoples
|
|
gptkbp:diet
|
benthic invertebrates
|
|
gptkbp:first_described_by
|
gptkb:John_Edward_Gray
|
|
gptkbp:foraging_behavior
|
bottom feeding
|
|
gptkbp:fossil_record
|
dates back to the Miocene
|
|
gptkbp:habitat
|
gptkb:Baja_California
coastal waters
|
|
gptkbp:habitat_range
|
gptkb:North_Pacific_Ocean
|
|
gptkbp:has_skin
|
rough and mottled
|
|
gptkbp:historical_hunting
|
heavily hunted in the 19th century
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Gray whale
|
|
gptkbp:known_for
|
long migrations
unique feeding habits
|
|
gptkbp:length
|
40-50 feet
|
|
gptkbp:lifespan
|
50-70 years
|
|
gptkbp:migration
|
gptkb:Pacific_Ocean
October to April
up to 12,000 miles
follow the coastline
|
|
gptkbp:newborn_calf_length
|
about 15 feet
|
|
gptkbp:newborn_calf_weight
|
about 1 ton
|
|
gptkbp:notable_features
|
baleen plates instead of teeth
|
|
gptkbp:notable_move
|
logging
migratory behavior
tail slapping
social interactions with other species
spyhopping
|
|
gptkbp:population
|
approximately 27,000
|
|
gptkbp:population_trend
|
gptkb:stable
|
|
gptkbp:predators
|
gptkb:killer_whales
|
|
gptkbp:reproduction
|
viviparous
|
|
gptkbp:scientific_classification
|
gptkb:Mysticeti
gptkb:marine_mammals
gptkb:Mammalia
|
|
gptkbp:scientific_name
|
gptkb:Eschrichtius_robustus
|
|
gptkbp:season
|
gptkb:spring
|
|
gptkbp:skin_color
|
gray with white patches
may appear lighter or darker
|
|
gptkbp:social_behavior
|
mothers are protective of calves
|
|
gptkbp:social_structure
|
solitary or small groups
|
|
gptkbp:subspecies
|
none recognized
|
|
gptkbp:threats
|
entanglement in fishing gear
ship strikes
|
|
gptkbp:vocalization
|
low-frequency sounds
used for social interactions
|
|
gptkbp:weight
|
30-40 tons
|
|
gptkbp:bfsParent
|
gptkb:Eschrichtius_robustus
|
|
gptkbp:bfsLayer
|
6
|