Mosquitoes are widely known for transmitting diseases such as malaria and dengue fever to humans, but less is known about the diseases they can transmit to wild birds. The Plasmodium parasite that cau...

Mosquitoes are widely known for transmitting diseases such as malaria and dengue fever to humans, but less is known about the diseases they can transmit to wild birds. The Plasmodium parasite that cau...

Video. Traditional skiffs glided along the River Thames during Swan Upping as crews counted and weighed cygnets, reporting encouraging numbers while warning about the growing threat of river litter.