The Naturalist in La PlataHudson, W. H. (William Henry)
History
The Naturalist in La Plata
Hudson, W. H. (William Henry)
Animal behavior -- Argentina -- Pampas; Natural history -- Argentina -- Pampas; Zoology -- Argentina -- Pampas
severe to allow an accidental colonist, like this small delicate bird,
to survive. The godwit, already mentioned, has been observed in flocks
at the Falkland Islands in May, that is, three months after the same
species had taken its autumal departure from the neighbouring mainland.
Can it be believed that these late visitors to the Falklands were
breeders in Patagonia, and had migrated east to winter in so bleak a
region? It is far more probable that they came from the south. Officers
of sailing ships beating round Cape Horn might be able to settle this
question definitely by looking out, and listening at night, for flights
of birds, travelling north from about the first week in January to the
end of February; and in September and October travelling south. Probably
not fewer than a dozen species of the plover order are breeders on the
great austral continent; also other aquatic birds--ducks and geese; and
many Passerine birds, chiefly of the Tyrant family.
Should the long projected Australasian expedition to the South Polar
regions ever be carried to a successful issue, there will probably be
important results for ornithology, in spite of the astounding theory
which has found a recent advocate in Canon Tristram, that all life
originated at the North Pole, whence it spread over the globe, but never
succeeded in crossing the deep sea surrounding the antarctic continent,
which has consequently remained till now desolate, "a giant ash (and
ice) of death." Nor is it unlikely that animals of a higher class than
birds exist there; and the discovery of new mammalians, differing in
type from those we know, would certainly be glad tidings to most
students of nature.
Land birds on the pampas are few in species and in numbers. This may be
accounted for by the absence of trees and other elevations on which
birds prefer to roost and nest; and by the scarcity of food. Insects are
few in dry situations; and the large perennial grasses, which occupy
most of the ground, yield a miserable yearly harvest of a few minute
seeds; so that this district is a poor one both for soft and hard billed
birds. Hawks of several genera, in moderate numbers, are there, but
generally keep to the marshes. Eagles and vultures are somewhat
unworthily represented by carrion-hawks (Polyborinae); the lordly
carancho, almost eagle-like in size, black and crested, with a very
large, pale blue, hooked beak--his battle axe: and his humble follower
and jackal, the brown and harrier-like chimango. These nest on the
ground, are versatile in their habits, carrion-eaters, also killers on
their own account, and, like wild dogs, sometimes hunt in bands, which
gives them an advantage. They are the unfailing attendants of all
flesh-hunters, human or feline; and also furiously pursue and persecute
all eagles and true vultures that venture on that great sea of grass, to
wander thereafter, for ever lost and harried, "the Hagars and Ishmaels
of their kind."
Public-domain text, read in full here on John Shaqi.
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