Croatia kayak trip - no idea what the dog at the end is doing ???

Croatia: Trip from Bibinje, to Zadar orgule, then to Sukosan and back to Bibinje. Around 50kmall together.
Let me know in the comments, what the dog at the end is doing?

[@eprohoda]

Tomas. really gorgeous , 😯

[@tomashostivice1]

Thank you, we had a great time