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:
dog happy lawn pet animal cute canine white tongue puppy breed happiness fun smiling domestic cheerful smile funny outdoors friend fur grass adorable companion looking friendly doggy green friendship playful fluffy collie domesticated black
Page 2017 Free-images.com. All images are Public Domain