Occasionally
The Plaintive Note Of A White-Tufted Tyrant-Flycatcher
(Myiobius Albiceps) May Be Heard, Concealed Near The Summit
Of The Most Lofty Trees; And More Rarely The Loud Strange
Cry Of A Black Wood-Pecker, With A Fine Scarlet Crest On Its
Head.
A little, dusky-coloured wren (Scytalopus Magellanicus)
hops in a skulking manner among the entangled mass
of the fallen and decaying trunks.
But the creeper (Oxyurus
tupinieri) is the commonest bird in the country. Throughout
the beech forests, high up and low down, in the most
gloomy, wet, and impenetrable ravines, it may be met with.
This little bird no doubt appears more numerous than it
really is, from its habit of following with seeming curiosity
any person who enters these silent woods: continually uttering
a harsh twitter, it flutters from tree to tree, within a few
feet of the intruder's face. It is far from wishing for the
modest concealment of the true creeper (Certhia familiaris);
nor does it, like that bird, run up the trunks of trees, but
industriously, after the manner of a willow-wren, hops about,
and searches for insects on every twig and branch. In the
more open parts, three or four species of finches, a thrush,
a starling (or Icterus), two Opetiorhynchi, and several hawks
and owls occur.
The absence of any species whatever in the whole class of
Reptiles, is a marked feature in the zoology of this country,
as well as in that of the Falkland Islands. I do not ground
this statement merely on my own observation, but I heard it
from the Spanish inhabitants of the latter place, and from
Jemmy Button with regard to Tierra del Fuego. On the
banks of the Santa Cruz, in 50 degs. south, I saw a frog; and
it is not improbable that these animals, as well as lizards, may
be found as far south as the Strait of Magellan, where the
country retains the character of Patagonia; but within the
damp and cold limit of Tierra del Fuego not one occurs.
That the climate would not have suited some of the orders,
such as lizards, might have been foreseen; but with respect
to frogs, this was not so obvious.
Beetles occur in very small numbers: it was long before I
could believe that a country as large as Scotland, covered
with vegetable productions and with a variety of stations,
could be so unproductive. The few which I found were
alpine species (Harpalidae and Heteromidae) living under
stones. The vegetable-feeding Chrysomelidae, so eminently
characteristic of the Tropics, are here almost entirely
absent; [5] I saw very few flies, butterflies, or bees, and no
crickets or Orthoptera. In the pools of water I found but a few
aquatic beetles, and not any fresh-water shells: Succinea at
first appears an exception; but here it must be called a
terrestrial shell, for it lives on the damp herbage far from the
water. Land-shells could be procured only in the same alpine
situations with the beetles.
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