That's an absolutely perfect collective noun for otters!

I was at my mum's today and she was talking of how much she enjoyes watching that program with Charlie and the brothers. I haven't seen it myself but it does sound like a fun pastime.

What you call small dandelions are actually hawkweeds (Hieracium) and hawkbeards (Crepis) but I'm very curious what those turrets of white flowers are. I clearly need to come visit you in the summer so I can botanise your meadow turf properly!