California Grey

Eschrichtius robustus (Lilljeborg 1861)

Scott Bowers cc-by-nc

Eschrichtius robustus (California Grey) is a species of mammals in the family gray whales. They are listed as endangered by COSEWIC. They are associated with freshwater habitat. Individuals are known to live for 77 years.

URI: http://eol.org/schema/terms/endangered
Definition: A taxon is Endangered when the best available evidence indicates that it meets any of the \r\ncriteria A to E for Endangered, and it is therefore considered to be facing a very high risk of extinction in the wild.
Source: https://species-registry.canada.ca/index-en.html#/species

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URI: http://purl.obolibrary.org/obo/ENVO_00000873
Definition: A biome that applies to the freshwater realm.

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EOL has data for 39 attributes, including:

diet breadth
- URI: http://eol.org/schema/terms/DietBreadth
- Definition: Number of dietary categories eaten by an organism.
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3
geographic distribution includes
- URI: http://eol.org/schema/terms/Present
- Definition: This organism is known to be present in this location or region. Not exclusive; other regions may also be reported.
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Peru
- URI: http://www.geonames.org/3932488
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habitat breadth
- URI: http://eol.org/schema/terms/HabitatBreadth
- Definition: Number of habitat layers used by an organism
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1
habitat includes
- URI: http://eol.org/schema/terms/Habitat
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kelp forest
- URI: http://purl.obolibrary.org/obo/ENVO_01000058
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inter-birth interval
- URI: http://eol.org/schema/terms/InterBirthInterval
- Definition: The length of time between successive births of a female.
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638.75
litters per year
- URI: http://eol.org/schema/terms/LittersPerYear
- Definition: Number of litters per female per year
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0.5
population group size
- URI: http://eol.org/schema/terms/PopulationGroupSize
- Definition: Number of individuals in a group that spends the majority of their time in a 24 hour cycle together
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16
population trend
- URI: http://eol.org/schema/terms/population_trend
- Definition: i.e., increasing, decreasing, stable, or unknown
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Stable
prenatal development duration
- URI: http://eol.org/schema/terms/PrenatalDevelopmentDuration
- Definition: The duration of the development from fertilized, deposited or implanted egg to hatching/birth. Corresponds to egg incubation duration in oviparous animals and to gestation period duration in viviparous animals.
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395 days
social group size
- URI: http://eol.org/schema/terms/SocialGroupSize
- Definition: Number of individuals in a group that spends the majority of their time in a 24 hour cycle together where there is some indication that these individuals form a social cohesive unit.
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16
water temperature
- URI: http://eol.org/schema/terms/SeawaterTemperature
- Definition: Temperature of the water at a location where this organism has been observed or collected.
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3.011 degrees celsius
weaning age
- URI: http://eol.org/schema/terms/WeaningAge
- Definition: Age when primary nutritional dependency on the mother ends and independent foraging begins to make a major contribution to the offspring’s energy requirements.
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211.71

Known occurrences, collected specimens and observations of California grey. View this species on GBIF

Scott Bowers cc-by-nc