When i go to island explore, I notice this strange thing where my pet flies out of the map, it's standing along the borders of where the map is, but, the moment i click the arrow to move, the pet suddenly swoops back to where they were standing before.

Please check your internet connection. This happens when the connection to server was lost and the client didn't get the response about the previous pet position.

My Internet was fine, it happened when I pressed the arrow key the scrolled either up or down.