Species of frog
Callulina hanseni , or Hansen's warty frog , is a frog in the family Brevicipitidae endemic to Tanzania . It has been observed in the Nguru South Mountains. It has been observed 1790 meters above sea level.[ 2] [ 3] [ 1] [ 4]
^ a b IUCN SSC Amphibian Specialist Group (2012). "Callulina hanseni " . The IUCN Red List of Threatened Species . 3.1: e.T193425A2235726. doi :10.2305/IUCN.UK.2012-1.RLTS.T193425A2235726.en . 193425. Retrieved March 7, 2023 .
^ Frost, Darrel R. "Callulina meteora Loader, Gower, Müller, and Menegon, 2010" . Amphibian Species of the World, an Online Reference . Version 6.0. American Museum of Natural History, New York. Retrieved March 7, 2023 .
^ "Callulina hanseni : Loader, Gower, Müller, and Menegon, 2010" . AmphibiaWeb . University of California, Berkeley. Retrieved March 7, 2023 .
^ Loader SP; Gower DJ; Mueller JH; Menegon M (2010). "Two new species of Callulina (Amphibia: Anura: Brevicipitidae) from the Nguru Mountains, Tanzania" . Zootaxa (Abstract). 2694 (1): 26–42. doi :10.11646/zootaxa.2694.1.2 . Retrieved March 7, 2023 .