Newsademic British English edition 260



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An international team o f researchers 
have discovered a new subspecies 
o f giant tortoise on the Galapagos 
Islands. These islands are a part of 
Ecuador. The researchers made their 
discovery after comparing the DNA 
o f two groups o f giant tortoise. This 
was the first new giant tortoise sub­
species to be found in 100 years.
Both groups o f giant tortoise live 
on the island o f Santa Cruz. This 
is why they were thought to be the 
same subspecies. One group is found 
on the western side o f the island. 
The ‘new subspecies’ lives on the 
eastern side. They have been named 
the Eastern Santa Cruz tortoise.
Satellite picture o f the G alapagos Islands (NASA)
The Galapagos Islands are an ar­
chipelago, or group, o f volcanic is­
lands in the southern Pacific Ocean, 
off the west coast o f South America. 
They were designated as a World 
Heritage Site over 30 years ago. 
This means all the wildlife on the 
islands must be protected. The name 
o f the islands comes from the Span­
ish word for tortoise.
The islands have been isolated 
from the rest o f the world for a very 
long time. Therefore, over millions 
o f years, many o f the creatures that 
live on them have evolved different­
ly from those found in other parts of 
the world. This means that they are 
endemic to, or only found on, the 
Galapagos Islands. One example is 
the Galapagos giant tortoise.
Charles Darwin (1809 - 1882) 
visited the Galapagos Islands in 
the 1830s. He was a naturalist from 
the UK. Naturalists are people who 
study plants and animals. They 
mainly do this by watching, or ob­
serving, them. Darwin studied the 
giant tortoises that lived on differ­
ent islands. All were o f the same



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