n.polar bears; in some classifications not a separate genus from Ursus

同義詞：genus Thalarctos

Hand-rearing polar bear cubs: Thalarctos maritimus: at Topeka Zoo
A note on bear hybrids Thalarctos maritimus × Ursus arctos : at Lodz Zoo
Trichinosis in a polar bear, Thalarctos maritimus, from the Royal Melbourne Zoo
On the Feet and Rhinarium of the Polar Bear (Thalarctos maritimus)
Temperature regulation of the polar bear ( Thalarctos maritimus ) ☆
Immobilization of Polar (Thalarctos maritimus) and Brown (Ursus arctos) Bears Using Etorphine and Xylazine
Electrophoretic variation in large mammals. I. The polar bear, Thalarctos maritimus.
Dermatitis caused by Dermatophilus congolensis in polar bears (Thalarctos maritimus).
Deux cas de trichinose après ingestion de viande d'ours blanc ( Thalarctos maritimus ) au Groenland
Immunohistochemical study of retinol-binding protein in livers of polar bears (Thalarctos maritimus)