Very useful! Easiest thing to knock out and tame, they act differently depending on the future weather (I.E. digging at the ground means a heatwave, barking/chirping is a sandstorm, growling w/ fluffy tail is a thunderstorm, and hugging their tail means good ole rain), their inventory weighs half when they're being carried, and most importantly, they look cute af when wearing hats.
NEVER GO FAR WITH OUT ONE:
it will be disastrous if you are flying about or taking a large caravan for a walk and a sandstorm leaves you stranded near raptors or wolves.
Apparently if it barks at the sky there will be a sandstorm, shaking its tail will be a electric storm and digging actions means a heatwave
This cute little fella can detect a storm up to THREE MINUTES! They also reduce the weight in their invintory which makes it somewhat good for travling. You will need to make sure the parents have a fairly good food stat or the baby will die pretty fast or give it food as soon as he/she is born.