|Rufous (L) and Grey (R) Tawny Owls|
From their size, both adult tawny owls appeared to be males, which can be up to 20% smaller than females.
The pair showed examples of the colour variation seen in this species. In the UK rufous coloured birds are twice as common as the greyer ones.
|Male Barn Owl|
|Female Barn Owl|
The smaller male has pure white feathers underneath.The larger female has dark speckling on the white of its underparts, just visible in the photo.
The wing feathers are also much darker on the female.