Marko Matesic/ BIA / Peregrine Falcon (Falco peregrinus), Istria, Croatia

Marko Matesic/ BIA / Ferruginous Duck (Aythya nyroca) pair on pond, Krk, Croatia

Marko Matesic/ BIA / Ferruginous Duck (Aythya nyroca), Krk, Croatia

Marko Matesic/ BIA / Rock Partridge (Alectoris graeca), Istria, Croatia

Marko Matesic/ BIA / Rufous-tailed Rock-Thrush (Monticola saxatilis) female removing fecal sac from nest, Primorje, Croatia

Marko Matesic/ BIA / Rufous-tailed Rock-Thrush (Monticola saxatilis) female, Primorje, Croatia

Marko Matesic/ BIA / Zitting Cisticola (Cisticola juncidis), Istria, Croatia

Marko Matesic/ BIA / Blue Rock-Thrush (Monticola solitarius) juvenile, Primorje, Croatia

Marko Matesic/ BIA / Mallard (Anas platyrhynchos) female flying, Tribalj, Croatia

Marko Matesic/ BIA / Mallard (Anas platyrhynchos) male flying, Tribalj, Croatia