The AgustaWestland AW159 Wildcat is a military helicopter of British origin.
In its Early Program Days ,The helicopter was previously called the Future Lynx and Lynx Wildcat.
It's basically a newer model or you could say a Successor to the previous Super Lynx Helicopter ,or more Precisely a further Development of The super Lynx Helicopter.
This is the reason why when you compare Images of the Two helicopters side by side ,they will look strikingly similar to one another.
Lynx Helicopter (Left)
AW-159 helicopter (Right)
As of today, this Helicopter is Operated by Only 3 countries which are Phillipines, South Korea and obviously Britain Itself. Phillipines and South Korea use AW-159 helicopters in Their Navies with Phillipine Navy and Republic of Korea Navy Operating 2 and 8 such Helicopters Respectively.
Links for more Information:
en.m.wikipedia.org
en.m.wikipedia.org