Experimental set-upWe flew n = 4 captive-bred Harris' hawks (Parabuteo unicinctus) between two 1.25-m-high A-frame perches positioned 5, 7, 9 or 12 m...
perching
If you have ever watched a bird land on a tree branch, you may have noticed that it rapidly pitches...
Like snowflakes, no two branches are alike. They can differ in size, shape and texture; some might be wet or...