Near Mendoza, At
The Foot Of The Cordillera, It Occurs In Close Neighbourhood
With The Allied Alpine Species.
It is a very curious
circumstance in its geographical distribution, that it has never
been seen, fortunately for the inhabitants of Banda Oriental, to
the eastward of the river Uruguay:
Yet in this province there
are plains which appear admirably adapted to its habits.
The Uruguay has formed an insuperable obstacle to its
migration: although the broader barrier of the Parana has
been passed, and the bizcacha is common in Entre Rios, the
province between these two great rivers. Near Buenos Ayres
these animals are exceedingly common. Their most favourite
resort appears to be those parts of the plain which during
one-half of the year are covered with giant thistles, to the
exclusion of other plants. The Gauchos affirm that it lives
on roots; which, from the great strength of its gnawing
teeth, and the kind of places frequented by it, seems probable.
In the evening the bizcachas come out in numbers, and quietly
sit at the mouths of their burrows on their haunches. At
such times they are very tame, and a man on horseback passing
by seems only to present an object for their grave
contemplation. They run very awkwardly, and when running
out of danger, from their elevated tails and short front legs
much resemble great rats. Their flesh, when cooked, is very
white and good, but it is seldom used.
The bizcacha has one very singular habit; namely, dragging
every hard object to the mouth of its burrow: around
each group of holes many bones of cattle, stones, thistle-
stalks, hard lumps of earth, dry dung, etc., are collected into
an irregular heap, which frequently amounts to as much as
a wheelbarrow would contain. I was credibly informed that
a gentleman, when riding on a dark night, dropped his
watch; he returned in the morning, and by searching the
neighbourhood of every bizcacha hole on the line of road,
as he expected, he soon found it. This habit of picking
up whatever may be lying on the ground anywhere near its
habitation, must cost much trouble. For what purpose it
is done, I am quite unable to form even the most remote
conjecture: it cannot be for defence, because the rubbish
is chiefly placed above the mouth of the burrow, which
enters the ground at a very small inclination. No doubt
there must exist some good reason; but the inhabitants of
the country are quite ignorant of it. The only fact which
I know analogous to it, is the habit of that extraordinary
Australian bird, the Calodera maculata, which makes an
elegant vaulted passage of twigs for playing in, and
which collects near the spot, land and sea-shells, bones
and the feathers of birds, especially brightly coloured
ones. Mr. Gould, who has described these facts, informs
me, that the natives, when they lose any hard object,
search the playing passages, and he has known a tobacco-
pipe thus recovered.
The little owl (Athene cunicularia), which has been so
often mentioned, on the plains of Buenos Ayres exclusively
inhabits the holes of the bizcacha; but in Banda Oriental it
is its own workman. During the open day, but more especially
in the evening, these birds may be seen in every direction
standing frequently by pairs on the hillock near their
burrows. If disturbed they either enter the hole, or, uttering
a shrill harsh cry, move with a remarkably undulatory
flight to a short distance, and then turning round, steadily
gaze at their pursuer. Occasionally in the evening they may
be heard hooting. I found in the stomachs of two which
I opened the remains of mice, and I one day saw a small
snake killed and carried away. It is said that snakes are
their common prey during the daytime. I may here mention,
as showing on what various kinds of food owls subsist,
that a species killed among the islets of the Chonos
Archipelago, had its stomach full of good-sized crabs. In
India [2] there is a fishing genus of owls, which likewise
catches crabs.
In the evening we crossed the Rio Arrecife on a simple
raft made of barrels lashed together, and slept at the post-
house on the other side. I this day paid horse-hire for
thirty-one leagues; and although the sun was glaring hot I
was but little fatigued. When Captain Head talks of riding
fifty leagues a day, I do not imagine the distance is equal
to 150 English miles. At all events, the thirty-one leagues
was only 76 miles in a straight line, and in an open country
I should think four additional miles for turnings would be
a sufficient allowance.
29th and 30th. - We continued to ride over plains of the
same character. At San Nicolas I first saw the noble river
of the Parana. At the foot of the cliff on which the town
stands, some large vessels were at anchor. Before arriving
at Rozario, we crossed the Saladillo, a stream of fine clear
running water, but too saline to drink. Rozario is a large
town built on a dead level plain, which forms a cliff about
sixty feet high over the Parana. The river here is very
broad, with many islands, which are low and wooded, as is
also the opposite shore. The view would resemble that of a
great lake, if it were not for the linear-shaped islets, which
alone give the idea of running water. The cliffs are the most
picturesque part; sometimes they are absolutely perpendicular,
and of a red colour; at other times in large broken
masses, covered with cacti and mimosa-trees. The real
grandeur, however, of an immense river like this, is derived
from reflecting how important a means of communication
and commerce it forms between one nation and another; to
what a distance it travels, and from how vast a territory
it drains the great body of fresh water which flows past
your feet.
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