Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Roadrunners, p. 2.
P.28, Par. 3 continued. Their plumage is kept saturated with dust at all times. It floats off from them in im-palpable clod. Will "dust" on clean concrete side-walk and on top of my head! A strenuous operation.
Par. 4 Cannot confirm rare drinking habit. Mine drink certainly at least once a day, often several times and frequently drink from glass of water held in my hand. Dip bills in covering of the nostrils, often wetting the feathers about base of bill. If very thirsty drink until water "goes down wrong way" and have to "cough".
Par. 5 Extraordinarily quick in action. Rhody, three times picked flying sparrow out of air as it passed him (then released it) without my being able to detect motion of head with certainty. This quickness perhaps explains several observations where victim apparently deliberately jumped into R's mouth without his making any movement to catch it.
Par. 6 Not at all good. Bird much more versatile than this. Perhaps a dozen different calls, "songs" and utterances recorded in my notes.
P.29, Par. 1. A splendid pet, gentle and confiding with a certain amount of cheek.
Par. 2 About the only fruit my captives will eat is the berry of various pyracanthas and hawthorns, and then in very small quantity.
P.30.et seq. My birds eat butterflies, moths, beetles, salamanders (newts?), lizards (Blue bellied and alligator), bees, yellow-jackets , centipedes, snakes up to 15 inches in length, small slugs sparingly, snails sparingly, various beetles, mice, young rats, hamburger stake, angle-worms (rarely, as they do not care much for them), birds up to and including English sparrow size when offered them, swallowed whole, feathers and all, but sometimes feathers are removed; Rhody and the youngsters have always refused to eat quail eggs offered them; thousand legged worms (sometimes refused); crickets (Jerusalem and black); grasshoppers, cicadas, caterpillars, both hairy and smooth (The young birds rub off on the ground every vestigete of hair on hairy ones without mutilating the creatures at all, before swallowing. Rhody not quite so thorough); flies, sow-and pill-bugs; occasional buds of milk-weed; wire worms, cut-worms, spiders, meal worms, an occasional ant, miscellaneous grubs. Also miscellaneous flying and crawling creatures not identified.
P.31, Par.1 No attempt is made to dismember any of their prey, everything being swallowed whole, though, as noted, sometimes feathers are removed from birds partially. In general it appears that the bird will not attack a living creature which it does not at least think it can swallow in its entirety, though two mistakes of judgement in this respect have been noted. One when Rhody killed a young rat that was too large, and the other when Archie killed a sparrow released in the cage, which he was unable to handle.