KAOS: Things you find in a Bathroom?

Questions

What name is given to young salmon which has been to sea only once?

name of which Russian explorer was given to the wild horse which he discovered in western Mongolia in the late 1870s?

What kind of animal is a boomslang?

which woodland birs performs a roding display flight in the breeding season?

What characterises stags that are referred to a hummels?