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If an animal possessing an auditory mechanism comes in suitable contact with a
medium vibrating at a frequency and intensity within its range of aural (hearing)
sensitivity, it may hear the sound. For land animals, the usual vibrating medium is
Some fixed-action patterns, such as birdsong, although highly uniform throughout
a species, often depend for normal development upon an early opportunity for a
young bird to hear other birds and thus to imitate them (see behaviour, animal).
Patchwork squares painted in front of such naturally curious animals as oxen and
goats at Lascaux might represent pitfalls covered with sheets of skins. In the
same cave is a scene in which a man with a broken spear is worsted by a bison.
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LibraryThing ReviewUser Review - keylawk - LibraryThing
This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review