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“Extinct” Toad Thrives in Lab | National Geographic


a tiny toad from Tanzania is extinct in

a tiny toad from Tanzania is extinct in the wild but thriving in a lab in

the wild but thriving in a lab in

the wild but thriving in a lab in Syracuse New York

Syracuse New York

Syracuse New York the Kanzi spray toad which ranges from

the Kanzi spray toad which ranges from

the Kanzi spray toad which ranges from just one to one and a half inches in

just one to one and a half inches in

just one to one and a half inches in length is believed to have lived only

length is believed to have lived only

length is believed to have lived only under a 3000 foot waterfall on the kanzi

under a 3000 foot waterfall on the kanzi

under a 3000 foot waterfall on the kanzi River in southeastern Tanzania

River in southeastern Tanzania

River in southeastern Tanzania construction of a dam upriver reduced

construction of a dam upriver reduced

construction of a dam upriver reduced the flow of the waterfall and the

the flow of the waterfall and the

the flow of the waterfall and the resulting spray needed by the toads but

resulting spray needed by the toads but

resulting spray needed by the toads but before the population of toads declined

before the population of toads declined

before the population of toads declined about 500 were relocated researchers at

about 500 were relocated researchers at

about 500 were relocated researchers at the State University of New York College

the State University of New York College

the State University of New York College of environmental science and forestry

of environmental science and forestry

of environmental science and forestry are hoping the survivors can be placed

are hoping the survivors can be placed

are hoping the survivors can be placed back in their natural habitat the Kanzi

back in their natural habitat the Kanzi

back in their natural habitat the Kanzi spray toad has gone extinct in the wild

spray toad has gone extinct in the wild

spray toad has gone extinct in the wild is because of human impacts they are

is because of human impacts they are

is because of human impacts they are native to a four hectare wetland on the

native to a four hectare wetland on the

native to a four hectare wetland on the side of a waterfall in Tanzania so they

side of a waterfall in Tanzania so they

side of a waterfall in Tanzania so they weren’t discovered until they were

weren’t discovered until they were

weren’t discovered until they were starting to decline the only reason they

starting to decline the only reason they

starting to decline the only reason they were discovered is because a

were discovered is because a

were discovered is because a hydroelectric dam was being built in the

hydroelectric dam was being built in the

hydroelectric dam was being built in the Kanzi Gorge upstream of where they’re

Kanzi Gorge upstream of where they’re

Kanzi Gorge upstream of where they’re found but they crushed suddenly and so a

found but they crushed suddenly and so a

found but they crushed suddenly and so a lot of people think that it could have

lot of people think that it could have

lot of people think that it could have either been the fact that the dam

either been the fact that the dam

either been the fact that the dam released a bunch of sediments that were

released a bunch of sediments that were

released a bunch of sediments that were contaminated with pesticides and one of

contaminated with pesticides and one of

contaminated with pesticides and one of those was endosulfan and that’s what

those was endosulfan and that’s what

those was endosulfan and that’s what we’re testing here and another idea is a

we’re testing here and another idea is a

we’re testing here and another idea is a kitchen fungus which has been a problem

kitchen fungus which has been a problem

kitchen fungus which has been a problem for amphibian populations around the

for amphibian populations around the

for amphibian populations around the globe there are really unique little

globe there are really unique little

globe there are really unique little frogs they’re one of the few that give

frogs they’re one of the few that give

frogs they’re one of the few that give live birth they don’t have a tadpole

live birth they don’t have a tadpole

live birth they don’t have a tadpole stage the hope is to try to get these

stage the hope is to try to get these

stage the hope is to try to get these guys back in the wild really soon and

guys back in the wild really soon and

guys back in the wild really soon and and there’s a good chance they’re really

and there’s a good chance they’re really

and there’s a good chance they’re really prolific breeders they rely so heavily

prolific breeders they rely so heavily

prolific breeders they rely so heavily on the spray they live in the spray zone

on the spray they live in the spray zone

on the spray they live in the spray zone so they require 22 hours of missing a

so they require 22 hours of missing a

so they require 22 hours of missing a day and so they need to be in a wetland

day and so they need to be in a wetland

day and so they need to be in a wetland habitat on the side of a waterfall

habitat on the side of a waterfall

habitat on the side of a waterfall another biologist working on the project

another biologist working on the project

another biologist working on the project says the toad might be the four legged

says the toad might be the four legged

says the toad might be the four legged vertebrate species with the smallest

vertebrate species with the smallest

vertebrate species with the smallest range in the world and they’re hopeful

range in the world and they’re hopeful

range in the world and they’re hopeful they can survive in that range again

they can survive in that range again

they can survive in that range again you

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