ARK's base taming speed on PC, PS4, and Xbox is now doubled, meaning 1× is as fast as what 2× was previously. Dododex has been updated to reflect this. Use the "presets" dropdown for common multipliers.
For full Castoroides taming details, get the taming calculator app.
Phenomenal tames. Excellent wood gatherers and I would put them up against the Bronto or Steg for berry gathering, especially for smaller tribes. They don't gather as much per attack as either of the above, but they are orders of magnitude faster. Can zip around spamming attack and be at you weight limit in berries in no time.
Built our base on The Center right next to a pond with our trough just out of range. Tamed a couple of the beavers (named Sharon Stone and Wynonna because I dare you to come up with two better beaver names) for berry and wood gathering. Still get spawns and 3 to 5 dams. Never ending supply of cementing paste, silica pearls, rare flowers, mushrooms and more wood than we know what to do with.
Its saddle works as a smithy. However, unlike the actual smithy structure, the beaver can hold about 300 stacks of objects, opposed to the smithy’s 75. This allows you to craft ascended stuff that otherwise would be impossible (due to the crafting requirements asking for more materials than you can fit into the smithy). It’s also extremely handy if you are doing multiple Behemoth gates.