
Eye in the sky —
The Ol Pejeta Conservacy in Kenya is planning to use an unmanned aerial drone to monitor the location of its wildlife and deter poachers from harming animals such as rhinos and elephants.

Eye in the sky —
The "aerial ranger" -- which was developed by U.S.-based firm Unmanned Innovation Inc. -- is expected to cover an area of 50 miles over a 90-minute flight.

Wildlife sanctuary —
Ol Pejeta is home to four of the last seven northern white rhinos left in the world

Wildlife sanctuary —
Najin, Fatu, Sudan and Suni were brought to the Kenyan conservancy from Dvur Kralove Zoo in the Czech Republic, which up until December 2009 had been their home.

Wildlife sanctuary —
Rhino poaching rates have soared in recent years in parts of Africa amid growing demand in southeast Asia for the animals' horns.

Wildlife sanctuary —
Ol Pejeta is home to 110 rhinos in total, its staff say. Apart from the four northern white rhinos, the conservancy also hosts 95 black rhinos and 11 whites rhinos.

Wildlife sanctuary —
Each year, some 80,000 people visit Ol Pejeta in Kenya's Laikipia District to see its variety of animals, including rhinos , leopards, elephants and lions.