northern spring peeper- pseudacris crucifer

animal green wildlife amphibian frog nature reptile invertebrate insect leaf toad flower lizard beetle northern spring peeper- pseudacris crucifer two peepers obs observed amplexus fairfield connecticut cold herpetology resist temperatures freezing chorus frog march signs mark research wetlands habitat natural biodiversity couple pair behavior identification coloration pattern cross-bearing adorable cute wild wildlife nature animal breeding start migration amphibian pond squantz connecticut fairfield england coitus copulation sex mating amplexus crucifer pseudacris peeper spring