a whale because it helps the whale to extract the water and nutrients.
I believe a barnacle is some kind of sea organism. A rock is, well, a rock.
A Warbler
cow
swag
swag
Ostrich
We have to check that from which organism its characteristics are matching.
The Wrasse Fish
spruce tree
Google it Cuckoos are just animals
barnacle
a whale because it helps the whale to extract the water and nutrients.