pale snaketail (ophiogomphus severus) dragonfly resting on sandy ground in colorado

native species pale snaketail resting aquatic biodiversity bright colors close color contrast colorado conservation detailed wings dragonfly ecosystem ecotourism entomology environment fauna flora flying fresh air habitat preservation insect insects invertebrate leisure midday natural beauty history light world nature observation ophiogomphus severus outdoor exploration quiet riverbank rural sandy ground serene identification summer tranquility vibrant warm sunlight wetland wildlife sun observed soil