Release of foxes marks end of wildly successful comeback These are wonderful times to be an island fox. A decade ago, the house-cat-sized animals were scampering toward extinction, with only a few dozen surviving at spots scattered around Channel Islands National Park. Now they're practically poster mammals for species revival, numerous enough that government scientists no longer have to breed them in the safety of chain-link pens. On Thursday, one, then another of the relentlessly cute critters dashed into the brush of this wind-swept island -- the last of the three where the breeding program operated. The transfer, solemnly performed by a park biologist and the second-in-command of the Interior Department, marked the end of a $5.4-million rescue effort that started in 1999....