The two peregrine falcon chicks who were born in a nestbox at the top of one of Sussex's most prestigious seafront venues have flown the nest.

The chicks hatched from a clutch of four eggs perched 334ft up at the top of Sussex Heights apartment block on Brighton seafront.

One chick died and the fourth egg failed to hatch.

The falcons' progress has been followed on The Regency Square Area Society web site.

This year's two surviving chicks have now left the nestbox and were seen on the roof ledge beside the box on Sunday.

Unusually, an earlier year's offspring returned to the nestbox to visit this year's chicks when they were still young.

Brian Smith, who has been monitoring the birds' progress, said: "The chicks put their heads out from under the mother bird to take the food from their older relative.

"It has been quite a common sight of late to see three birds, the two adults and the earlier year's chick, sitting perched on top of Sussex Heights together."

The Regency Square Area Society has been running a web diary since 2002 at www.regencybrighton.com/birds