Penny Olsen
Penny Olsen is an Honorary Professor in Ecology and Evolution, Australian National University
Articles
From the coasts to the plains, bird flu could threaten not just birds – but their homes
Yesterday, I woke to a cold, damp Canberra morning – and silence. The trees around my home were…
High fliers: pleasure-seeking parrots are using aromatic plants, stinky ants and alcohol
Birds have been known to seek out pungent chemicals for various reasons. Some consume fermented fruits with gusto…