Otters on a rock in a zoo

otters rocks zoo aquatic animals playful cute curious water swim river habitat wildlife carnivores mammals natural environment zoological park wildlife conservation animal behavior observation captive animals native species furry active agile social group family playtime animal enclosure enrichment environmental enrichment aquatic habitat animal interaction zoological exhibit zookeepers educational conservation efforts wildlife preservation species diversity animal care naturalistic setting enclosure design protected species adaptation hunting foraging nature wetland otter species