Female hummingbirds look like males to avoid attacks, study suggests | Birds

[ad_1] They may zip around looking cute and sociable, but the world of hummingbirds is rife with aggression. Now it looks like some female hummingbirds have evolved to avoid this – by adopting the bright plumage of their male counterparts. US researchers captured more than 400 white-necked Jacobin hummingbirds in Panama. Surprisingly, they found that … Read more

‘Unusual mortality’: the plight of Florida’s manatees – in pictures | Environment

[ad_1] A diver from Sea & Shoreline, a Florida-based aquatic restoration firm, scrubs algae from exclusion cages in the Crystal River. The cages allow seagrass to develop mature roots before manatees eat it. As in Indian River Lagoon, land development and pollution fuelled algal blooms that smothered the eelgrass manatees eat. A community organisation, Save … Read more

LED streetlights decimating moth numbers in England | Insects

[ad_1] “Eco-friendly” LED streetlights produce even worse light pollution for insects than the traditional sodium bulbs they are replacing, a study has found. The abundance of moth caterpillars in hedgerows by rural roads in England was 52% lower under LED lights and 41% lower under sodium lights when compared with nearby unlit areas. In grass … Read more