http://vocab.lternet.edu/vocab/vocab/http://vocab.lternet.edu/vocab/vocab/skos/32amphibians http://vocab.lternet.edu/vocab/vocab/skos/32 salamanders NT http://vocab.lternet.edu/vocab/vocab/skos/32 vertebrates BT http://vocab.lternet.edu/vocab/vocab/skos/32 amphibian UF