When you want to protect your loved ones from neighbors. An adult black-headed gull (Chroicocephalus ridibundus) defends its nestling against an air attack done by common tern (Sterna hirundo)
Environmental monitoring of proecological project Islands of Life, Lower Odra, june 2020
Monitoring środowiskowy projektu Wyspy życia na Dolnej Odrze, czerwiec 2020
Hanna Gawrychowska amazing