Earth's Ledger

Bears

Mammalia

Evolution and Lineage — The Path Neither Dog nor Cat

Trace the evolutionary history of the bear family (Ursidae). From the "Dawn Bear" Ursavus to the extinct Short-faced titans and the modern eight species, discover how bears chose the path of the versatile generalist.
2026.02.19
Mammalia
Mammalia

The Essence of the Bear — Strength and Stillness Intertwined

What defines a bear? Explore the essential biology of the family Ursidae, from their incredible sense of smell and plantigrade locomotion to their diverse habitats. A deep dive into the majesty of the wilderness.
2026.02.19
Mammalia
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