It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
This image was acquired from
Keywords from Image Description:
flying stork heron bird animal nature wild flight fly wildlife outdoor wings wilderness grey birdwatching avian natural beak feather spring lake pond large birding environment plumage water winter waterbird
Page 2017 Free-images.com. All images are Public Domain