Very usefull on mobile for alot of reasons:

1)can irrigate water tanks or even crop plots

2)their water spray can stun any flying dino

3)theire super useful for farming wood as they have a higher weight capacity and reduction than the beavers

4)they can drag corpses around

5)they can gather alot of rare mushrooms from swamp trees

6) they have a very op stomp abillity that can 1 shot most dinos(dimorphs,compies,low lvl raptors)

7)they can remove paint from structures with the water spray