More than half of the butterfly species in the UK are in long-term decline for the first time and experts say human actions are to blame.

Butterfly conservationists encourage people ... In mid-April to May monarchs will return to Michigan to breed and stay through the summer, then during winter they fly to Mexico, the Michigan ...

It is now managed by the Tai Po Environmental Association (TPEA) and has 80 per cent of the city's butterfly breeds. It is also the breeding ground of 50 rare species, including the white dragon ...