Nests with the most plastic belonged to the strongest birds, able to fend off attackers that coveted their decor. Plain nests belonged to younger and older birds, which would be too weak to defend ...
"Penguins at land colonies such as Boulders Beach face threats from mammals, whereas penguins at colonies devoid of vegetation such as Bird Island face sun exposure. Different artificial nest ...
Researchers assessed artificial nests made from four different materials to see which would help boost the population of endangered African penguins the most.
"Penguins at land colonies such as Boulders Beach face threats from mammals, whereas penguins at colonies devoid of vegetation such as Bird Island face sun exposure. "Different artificial nest ...