monarch butterflies

Ending the “radio silence” on wireless radiation should be a late-breaking research topic for Canadian leadership as the country hosts the COP15 biodiversity conference, writes Meg Sears.

Captive-breeding programs lead to shorter wingspans in birds and behavioural changes that leave animals more vulnerable to predators, a global study finds.

When a field of milkweed was mowed down, conservationists fear butterfly eggs and food were lost for a season, further endangering a species on the brink.

The number wintering along California's central coast is bouncing back after the population, whose presence is often a good indicator of ecosystem health, reached an all-time low last year.

A recently published study suggests that one of the world's most common pesticides may be contributing to the decline of one of its most-loved butterflies.