Perspectives on Percussive Foraging in the Aye-Aye (Daubentonia Madagascariensis)
“......bending forward his ears, and applying his nose close to the bark, he rapidly tapped the surface with the curious second (sic) digit, as a Woodpecker taps a tree, though with much less noise, from time to time inserting the slender finger into the wormholes as a surgeon would a probe.....I watched these proceedings with intense interest, and was much struck with the marvellous adaptation of the creature to its habits, shown by his acute hearing, which enables him aptly to distinguish the different tones emitted from the wood by his gentle tapping; his evidently acute sense of smell, aiding him in his search; ....the curious slender finger, unlike that of any other animal... he used alternately as a pleximeter, a probe, and a scoop.” (Owen, 1866; p. 38).
KeywordsAccess Hole Surface Thickness Forage Tree Excavation Behavior Subsurface Cavity
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