Rising temperatures may be having a profound physical impact on one of the world's favourite songbirds.
Researchers in Spain found that over a 20-year period, nightingales had evolved smaller wingspans.
The scientists say this is linked to a changing climate in the region which has seen the early onset of spring and increased drought.
They are concerned that this could affect the bird's ability to migrate in winter.
Full article here
Researchers in Spain found that over a 20-year period, nightingales had evolved smaller wingspans.
The scientists say this is linked to a changing climate in the region which has seen the early onset of spring and increased drought.
They are concerned that this could affect the bird's ability to migrate in winter.
Full article here