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Where did bighorn sheep live for thousands of years?
The Sonoran Desert
What made the bighorn sheep begin to disappear?
People moved in and built mines
Who asked the Boy Scouts to help protect the desert?
Major Frederick R. Burnham
What happened on April 2
1939?,An area became a wildlife refuge
What is the refuge called today?
Kofa National Wildlife Refuge
About how big is the Kofa National Wildlife Refuge?
About 665,400 acres
The refuge is home to many special ____
Plants and animals
Where do saguaro cacti grow?
Only in the Sonoran Desert
How fast does a young saguaro grow?
About one inch in ten years
When do saguaros start growing arms?
At around 100 years old
Name one saguaro adaptation.
It stores water for a long time
What do the ribs of a saguaro do?
They swell to hold more water
How do sharp spines help a saguaro?
They scare off water-seeking animals
Why do people now visit the Kofa Refuge?
To enjoy the animals and plants
Where do Sonoran pronghorn live?
Arizona and Mexico
Why are pronghorn called "desert ghosts"?
They are very shy and hard to see
