Asks about birds erecting feathers when enraged or frightened. Interested in examples of expression in birds and animals.
Tells of the sheldrake dancing on tidal sands to make worms come out.
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The Charles Darwin Collection
The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
Asks about birds erecting feathers when enraged or frightened. Interested in examples of expression in birds and animals.
Tells of the sheldrake dancing on tidal sands to make worms come out.