Roger Powell / Kingfishers (Alcedo atthis) engaged in threat display to warn tresspassing rival. Castro Verde, Alentejo, Portugal, April.

Roger Powell / Stone Curlew (Burhinus oedicnemus) pair walking through a flower meadow, Castro Verde, Portugal, April

Roger Powell / Red-legged Partridge (Alectoris rufa) portrait of male perched on a prominent boulder & calling over territory. Castro Verde, Portugal, April

Roger Powell / Little Bustard (Tetrax tetrax) male perched on a favourite stone, and calling at lek, Castro Verde, Portugal, April

Roger Powell / Great Bustard (Otis tarda) male in partial display as he walks through the communal lek, Castro Verde, Portugal, April

Roger Powell / Male Common Quail (Coturnix coturnix) perched on a boulder surveying its display area Castro Verde, Portugal, April

Roger Powell / Common kestrel (Falco tinnunculus) male on top of the nest-box with female inside, Monte da Aparica, Castro Verde, Alentejo, Portugal, May.

Roger Powell / Male European roller (Coracias garrulus) the carcass of a Barn owl chick in its beak (now desiccated- so probably it had been dead for a while) watched by female. Monte da Aparica, Castro Verde, Alen...

Roger Powell / European roller (Coracias garrulus) removing egg shell from nest, Monte da Aparica, Castro Verde, Alentejo, Portugal, May.

Roger Powell / European roller (Coracias garrulus) in flight. Monte da Aparica, Castro Verde, Alentejo, Portugal, May.

Roger Powell / European roller (Coracias garrulus) pair copulating on a eucalyptus branch. Monte da Aparica, Castro Verde, Alentejo, Portugal, May.

Roger Powell / European roller (Coracias garrulus) preening in a eucalyptus tree. Monte da Aparica, Castro Verde, Alentejo, Portugal, May.