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2008-10-31 – Nido di Tuatara in Nuova Zelanda (New Zealand, Tuatara nest)

Dopo oltre duecento anni ritrovato nido di Tuatara in Nuova Zelanda:

   (vedi link sotto per ingrandimenti – see link below for zoom)


Rare, prehistoric-age reptile found in New Zealand

Four leathery, white eggs from an indigenous tuatara were found by staff at the Karori Wildlife Sanctuary in the capital, Wellington, during routine maintenance work Friday, conservation manager Rouen Epson said.

“The nest was uncovered by accident and is the first concrete proof we have that our tuatara are breeding,” Epson said. “It suggests that there may be other nests in the sanctuary we don’t know of.”

Tuatara, dragon-like reptiles that grow to up to 32 inches, are the last descendants of a species that walked the earth with the dinosaurs 225 million years ago, zoologists say.

They have unique characteristics, such as two rows of top teeth closing over one row at the bottom. They also have a pronounced parietal eye, a light-sensitive pineal gland on the top of the skull. This white patch of skin — called its “third eye” — slowly disappears as they mature.

A native species to New Zealand, tuatara were nearly extinct on the country’s three main islands by the late 1700s due to the introduction of predators such as rats. They still live in the wild on 32 small offshore islands cleared of predators.

A population of 70 tuatara was established at the Karori Sanctuary in 2005. Another 130 were released in the sanctuary in 2007.

The sanctuary, a 620-acre wilderness minutes from downtown Wellington, was established to breed native birds, insects and other creatures securely behind a predator-proof fence.

Empson said that the four eggs — the size of pingpong balls — were unearthed Friday but that there were likely more because the average nest contains around ten eggs.

The eggs were immediately covered up again to avoid disturbing incubation.

If all goes well, juvenile tuatara could hatch any time between now and March, she said.



Other links:

Dinosaur-age reptile still nesting
Scotsman – 1 ora fa
A RARE reptile with lineage dating back 225 million years to the dinosaur age has been found nesting on the New Zealand mainland for the first time in 200
Wild sex in the sanctuary – 2 ore fa
By DAVE BURGESS – The Dominion Post | Saturday, 01 November 2008 The first tuatara eggs have been laid in the wild on mainland New Zealand in more than 200
Rare, prehistoric-age reptile found in New Zealand
The Associated Press – 5 ore fa
WELLINGTON, New Zealand (AP) — A rare reptile with lineage dating back to the dinosaur age has been found nesting on the New Zealand mainland for the first
Prehistoric-Age Reptile Found Alive and Well in New Zealand – 3 ore fa
An indigenous tuatara lizard, a species which dates back to prehistoric times, has been found to be nesting in New Zealand. It is first time the tuatara has
New Zealand’s ‘living Fossil’ Confirmed As Nesting On The Mainland
Voxy – 11 ore fa
Conservation staff at Wellington’s world-first Karori Sanctuary have found what is almost certainly the first confirmed tuatara nest on mainland New Zealand

ottobre 31, 2008 - Posted by | Bio-Zoology / Bio-Zoologia | , ,

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