Juvenile yellow-spotted river turtle, podocnemis unifilis, basking on submerged log by the lake under the sunlight, close up shot of a vulnerable reptile species

yellow spotted river turtle reptile animal amazon vulnerable species taricaya headed sideneck podocnemis unifilis wild conservation singapore zoo reserve mandai south america sidenecked juvenile spot bask basin orinoco park pet trade threatened nature natural habitat wildlife log behaviour rest colombia brazil shell carapace protected chill environment lake freshwater pond sleep