
Erect-crested penguins always reject their first egg and lay another
12 October 2022
A little-known species of penguin only has the resources to raise one offspring, but an evolutionary quirk means they focus their investment on the second egg

12 October 2022
A little-known species of penguin only has the resources to raise one offspring, but an evolutionary quirk means they focus their investment on the second egg

22 September 2021
Dozens of bird species became more abundant in 93 urban centres across the US and Canada when covid-19 restrictions cut noise and pollution from traffic

17 November 2017
Blue tits were 5 times less likely to stay faithful if one partner had to wait more than 3 days for the other to arrive

25 July 2017
A larger relative of Australia’s black swan thrived in New Zealand – until humans arrived and helped bring about its extinction

30 June 2017
A simple perch attracts magpies to vineyards, and their presence deters starlings and thrushes from munching on the fruit