Ornithological biography, Vol. 4 (of 5) : $b An account of the habits of the birds of the United States of AmericaAudubon, John James
Science
Ornithological biography, Vol. 4 (of 5) : $b An account of the habits of the birds of the United States of America
Audubon, John James
Birds -- North America
The young when about a fortnight old are clad with a uniform
buff-coloured down; their bill is black, their feet yellowish-white,
their head and neck nearly naked; and now they resemble young
Cormorants, though of a different colour. The wing feathers make their
appearance through the down, and are dark brown. The birds in the same
nest differ as much in size as those of Cormorants, the largest being
almost twice the size of the smallest. At this age they are in the
habit of raising themselves by placing their bills on the upper part
of the nest, or over a branch if convenient, and drawing themselves
up by their jaws, which on such occasions they open very widely. This
habit is continued by young birds whilst in confinement, and was also
observed in the Cormorant, _Phalacrocorax Carbo_, the young of which
assisted themselves with their bills while crawling about on the deck
of the Ripley. The action is indeed performed by the Anhinga at all
periods of its life. At an early age the young utter a low wheezing
call, and at times some cries resembling those of the young of the
smaller species of Herons. From birth they are fed by regurgitation,
which one might suppose an irksome task to the parent birds, as during
the act they open their wings and raise their tails. I have not been
able to ascertain the period of incubation, but am sure that the male
and the female sit alternately, the latter however remaining much
longer on the nest. Young Anhingas when approached while in the nest
cling tenaciously to it, until seized, and if thrown down, they merely
float on the water, and are easily captured. On the contrary, the young
Florida Cormorants throw themselves into the water, and dive at once.
Public-domain text, read in full here on John Shaqi.
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