The Painted Hula: A Frog Hits Prime Time
The amphibian crisis is an environmental issue that hasn’t really hit the mainstream yet. Most people we talk to are surprised to hear that an entire class of animals is in deep trouble, with one-third of amphibian species facing extinction. So we were very happy when Rachel Maddow did a piece two weeks ago on her show about the newly discovered Hula painted frog (Discoglossus nigriventer) (see video below).
Here’s the story of the hula painted frog, from Conservation International’s website:
The frog was discovered in Israel’s Lake Hula, one of the world’s oldest documented lakes, which provided fertile hunting and fishing grounds for humans for tens of thousands of years.
In the early 1950s, the lake and surrounding marshes were drained as a way of tackling malaria. But the costs for doing this were high. Among other environmental problems, draining the lake led to the near extinction of an entire ecosystem and the unique endemic fauna of the lake, including the Hula painted frog. Ironically, species such as the painted frog feed on mosquitoes that carry malaria.
Concern over the draining of Hula grew among the people of Israel, leading to the formation of the Society for the Protection of Nature in Israel and a movement to reflood the Hula Valley. It took 40 years for the protesters’ voices to be heard, but in the mid 1990s, parts of the valley were reflooded.
While much of the ecosystem was restored, not all species re-appeared and it was believed to be too late for the Hula painted frog; the species was declared extinct in 1996 by the International Union for the Conservation of Nature (IUCN). The frog became a poignant symbol for extinction in Israel.
Only three adult Hula painted frogs had ever been found. Two of these were collected into captivity in the 1940s, but the larger one ate the smaller one, leaving just one specimen to remember the species by.
The enigmatic frog was selected as one of the “top ten” species during the Search for Lost Frogs last year, highlighting the global importance of this species. It was lost but not forgotten.
Recently, however, Nature and Parks Authority warden Yoram Malka was conducting his routine patrol of the Hula Nature Reserve when something jumped from under him. He lunged after it and caught it: he was holding in his hand the first Hula painted frog seen since the 1950s.
To quote the CI site:
This rediscovery is the icing on the cake of what is a major victory for conservation in Israel: the restoration of a rare and valuable ecosystem. Because Israel has given the Hula Valley a second chance to thrive, the Hula frog has gone from being a symbol of extinction to a symbol of resilience.
Mazel tov, Dr. Moore! And thanks, Rachel, for reporting the story.
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