it is yellowish greenish but is almost clear to humans
No, like with most birds, barn owls must mate to lay eggs.
Small owls
white owls
Owls are birds and as such they lay eggs.
Owls lay eggs.
Long Eared Owls
white owls
Depending on the species, owls either lay eggs or give live birth.
Burrowing Owls lay about nine eggs.
and snowy owls. they look like snow to blend in.
Yes. Owls are birds, and birds reproduce by laying eggs.
What do koi eggs look like?