Poop pic - bird pellet ?

Poop pic - bird pellet ?

Observation - Poop pic - bird pellet ?. Description: I guess this is a bird pellet, can anyone identify it ? It appeared on a balcony in Harlech 300m above the sea.

I guess this is a bird pellet, can anyone identify it ? It appeared on a balcony in Harlech 300m above the sea.