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Why This Invasive Lizard Is Bad for Puerto Rico | National Geographic


you want ask that big they can grow up

you want ask that big they can grow up to six feet long with their tails

to six feet long with their tails

to six feet long with their tails they’re beautiful they’re gorgeous make

they’re beautiful they’re gorgeous make

they’re beautiful they’re gorgeous make no mistake they are really attractive

no mistake they are really attractive

no mistake they are really attractive these animals are causing air traffic

these animals are causing air traffic

these animals are causing air traffic delays they’re eating crops and causing

delays they’re eating crops and causing

delays they’re eating crops and causing damage in general to infrastructure you

damage in general to infrastructure you

damage in general to infrastructure you want us will nest very close to the road

want us will nest very close to the road

want us will nest very close to the road and they actually are making up to 30

and they actually are making up to 30

and they actually are making up to 30 different Cades underneath the road so

different Cades underneath the road so

different Cades underneath the road so when there is a vehicle crossing the

when there is a vehicle crossing the

when there is a vehicle crossing the road with several passengers the road

road with several passengers the road

road with several passengers the road will collapse that’s why they call it a

will collapse that’s why they call it a

will collapse that’s why they call it a green plague and why is it a play

green plague and why is it a play

green plague and why is it a play because it’s an invasive species these

because it’s an invasive species these

because it’s an invasive species these guys came here through the pet trade

guys came here through the pet trade

guys came here through the pet trade they’ve dispersed throughout the island

many factors are affecting their

many factors are affecting their population distribution throughout porto

population distribution throughout porto

population distribution throughout porto rico first of all the climate climate

rico first of all the climate climate

rico first of all the climate climate here is very similar to Central and

here is very similar to Central and

here is very similar to Central and South America subtropical climate warm

South America subtropical climate warm

South America subtropical climate warm temperatures year-round it has a defined

temperatures year-round it has a defined

temperatures year-round it has a defined dry and wet season that creates patches

dry and wet season that creates patches

dry and wet season that creates patches of open land for the iguanas to nest

of open land for the iguanas to nest

of open land for the iguanas to nest they can lay an average of 30 eggs per

they can lay an average of 30 eggs per

they can lay an average of 30 eggs per year but it can be as many as 75 eggs

year but it can be as many as 75 eggs

year but it can be as many as 75 eggs per clutch for one female that’s a lot

per clutch for one female that’s a lot

per clutch for one female that’s a lot out of a hundred eggs 93 of them will be

out of a hundred eggs 93 of them will be

out of a hundred eggs 93 of them will be successful will hatch into a small you

successful will hatch into a small you

successful will hatch into a small you are now in Central and South America you

are now in Central and South America you

are now in Central and South America you would have natural predator 52 to be

would have natural predator 52 to be

would have natural predator 52 to be exact reptiles birds mammals now here in

exact reptiles birds mammals now here in

exact reptiles birds mammals now here in Puerto Rico we haven’t had an iguana

Puerto Rico we haven’t had an iguana

Puerto Rico we haven’t had an iguana species living on the island for more

species living on the island for more

species living on the island for more than 500 years so that means that green

than 500 years so that means that green

than 500 years so that means that green iguanas are unhindered they have a lot

iguanas are unhindered they have a lot

iguanas are unhindered they have a lot of vegetation to eat a lot of land to

of vegetation to eat a lot of land to

of vegetation to eat a lot of land to nest in and very few predator pressures

nest in and very few predator pressures

nest in and very few predator pressures they were here for over 40 years and

they were here for over 40 years and

they were here for over 40 years and nobody noticed them and then all of a

nobody noticed them and then all of a

nobody noticed them and then all of a sudden they became very common very

sudden they became very common very

sudden they became very common very abundant and they start to interact with

abundant and they start to interact with

abundant and they start to interact with people and to interact with our

people and to interact with our

people and to interact with our ecosystems in Puerto Rico

ecosystems in Puerto Rico

ecosystems in Puerto Rico and they have a common problem for our

and they have a common problem for our

and they have a common problem for our economy so we need a little bit of help

economy so we need a little bit of help

economy so we need a little bit of help what we’re doing here in las calles is

what we’re doing here in las calles is

what we’re doing here in las calles is this on one with harvesting nests

this on one with harvesting nests

this on one with harvesting nests getting rid of the eggs has been very

getting rid of the eggs has been very

getting rid of the eggs has been very helpful eliminated since the year 2008

helpful eliminated since the year 2008

helpful eliminated since the year 2008 to the present approximately 13,000 eggs

to the present approximately 13,000 eggs

to the present approximately 13,000 eggs from the population that’s a big number

from the population that’s a big number

from the population that’s a big number but this is something that we’re gonna

but this is something that we’re gonna

but this is something that we’re gonna have to do for the next 15 maybe 20

have to do for the next 15 maybe 20

have to do for the next 15 maybe 20 years now has evolved and we have people

years now has evolved and we have people

years now has evolved and we have people from the community of this area working

from the community of this area working

from the community of this area working as volunteers in that project if you

as volunteers in that project if you

as volunteers in that project if you look up green iguanas in Panama or Costa

look up green iguanas in Panama or Costa

look up green iguanas in Panama or Costa Rica they’re actually protected by law

Rica they’re actually protected by law

Rica they’re actually protected by law they’re almost an endangered species

they’re almost an endangered species

they’re almost an endangered species here in Puerto Rico we have the opposite

here in Puerto Rico we have the opposite

here in Puerto Rico we have the opposite problem we have two million ones four

problem we have two million ones four

problem we have two million ones four million iguanas in Puerto Rico wanna

million iguanas in Puerto Rico wanna

million iguanas in Puerto Rico wanna wanna per person in Puerto Rico so we

wanna per person in Puerto Rico so we

wanna per person in Puerto Rico so we have to explore many different

have to explore many different

have to explore many different techniques to mitigate this problem egg

techniques to mitigate this problem egg

techniques to mitigate this problem egg harvesting hunting wherever it is

harvesting hunting wherever it is

harvesting hunting wherever it is possible and turning it into a menu

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