Hyla heinzsteinitzi [SEP] IUCN conservation status
found in Israel, in particular their croaks. Grach also claimed the species may have become extinct at the time it was described. "Hyla heinzsteinitzi" was listed by the International Union for Conservation of Nature as "critically endangered" in 2008, and, as of 2016, retains this status.
Among other things, the biology of the geckos, including
their vocal communication, as well as the zoogeography and conservation of the reptiles and amphibians in the Middle East are his main themes. Werner was a co-founder of the Society for the Protection of Nature in Israel and served as chairperson of the Zoological Society of Israel.
Taxa described by Yehudah Werner.
Yehudah Werner described or redescribed (alone or with co-authors) a number of amphibian and reptile taxa: 
- "Hyla heinzsteinitzi" Grach