Brown bear vs Sun bear

The brown bear is heavier: 180.5 kg against 46.5 kg for the sun bear, about 3.9 times the weight.

What is the difference between a brown bear and a sun bear?

Each point below is worked out from a pair of recorded values.

The brown bear is heavier: 180.5 kg against 46.5 kg for the sun bear, about 3.9 times the weight.
The brown bear is longer-lived: 43.5 years against 31 years for the sun bear, about 40% longer.
They share the family Ursidae but sit in different genera: Brown bear in Ursus, Sun bear in Helarctos.
The brown bear is listed as Least Concern on the IUCN Red List; the sun bear is Vulnerable.

	Brown bear	Sun bear
Scientific name	Ursus arctos	Helarctos malayanus
Family	Ursidae	Ursidae
Order	Carnivora	Carnivora
Weight	180.5 kg – 240.5 kg	46 kg – 46.5 kg
Length	Not recorded	Not recorded
Lifespan	43.5 years	31 years
Main food	apple, beaver, berry, bison, carrion, cattle and 48 more	Not recorded
Habitat	desert, forest, grassland, shrubland, wetland	forest
Conservation status	Least Concern	Vulnerable
Countries recorded	Not recorded	Not recorded

A scale drawing needs a recorded length for both animals; only weights are on record for this pair.