close-up of a grass snake (natrix natrix) crawling on floating plants in the water on a sunny day

amphibian snake fish catch animal bestial beast creature animals black close finish ending closeup collar hoop color crawl creation sullen special distinctive environment eye look ear narrower upper main heat lake macro nature outdoor pattern pond predator reptile summer spending sunbathing tails tail vegetation warm water wet damp wild wildlife yellow close-up grass natrix crawling floating plants sunny day day already crawled net fish non-venomous characteristic