migrants cross sea; philomachus pugnax; aircraft carrier; animal behavior; behavior; bird watching; birding; birds; birdwatchers; boarding ship; border; border crossings; deck; ecology; free travel; illegal; lose strength; migration patterns; migration problems; nature; ornithology; passenger; problems; problems migrants; ruff; sail; sandpipers; sea; ship; sneaky; tired; waders; weaken: Bilder zum Thema migrants cross sea; philomachus pugnax; aircraft carrier; animal behavior; behavior; bird watching; birding; birds; birdwatchers; boarding ship; border; border crossings; deck; ecology; free travel; illegal; lose strength; migration patterns; migration problems; nature; ornithology; passenger; problems; problems migrants; ruff; sail; sandpipers; sea; ship; sneaky; tired; waders; weaken bei ClipDealer