Assertion: steller sea lion's population | /r/HasProperty | studied by early naturalist
Facets:
value: in 1741
type: TEMPORAL
Source sentences:
text: There, in 1741, a population of a thousand or so survivors was studied by the early naturalist Georg Wilhelm Steller, who remarked on this megafauna mammal 's tame disposition, undersized head perched on an oversized body, and exclusive diet of kelp (a type of seaweed).