Wednesday, September 16, 2020

End of the lake

The view from the south end of Buttle Lake; here's where it starts, with the water flowing downstream to the north.

Looking north. Shallow water, muddy flats. Beaver habitat?

Sign beside the bridge.

The sign reads: Oasis in the Forest
The steep terrain and dense forests of Vancouver Island are not well suited to beavers, yet small numbers are usually found in each watershed. Here in the Thelwood Valley, beaver dams have created a shrubby marshland and snag habitat, an oasis to many birds, mammals, reptiles and amphibians.
The ponds are excellent rearing areas for cut-throat trout, Pacific treefrogs and salamanders.  Fruits of the red-osier dogwood and Pacific crabapple feed common flickers, robins, varied and hermit thrush. Yellow warblers, yellowthroat, and song sparrows nest among the willow tangles. Overhead, flycatchers, swallows and occasionally swifts, hawk insects.
If not for the beaver, these and many other animals would find survival in the valley much more difficult.
Thelwood Creek, flowing into the lake, seen from the bridge.


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Esta es la vista desde el extremo del lago Buttle, donde empieza el lago; desde aquí el agua fluye hacia el norte.

El letrero que se halla al lado del puente lee:
El terreno empinado y los bosques tupidos no son el habitat ideal para los castores, pero algunos se encuentran en cada cuenca. Aquí en el valle Thelwood, las presas de castor han creado un pantanal lleno de arbustos de árboles muertos, que es un oasis para muchos pájaros, mamíferos, reptiles y anfibios.
Las lagunas son areas donde truchas, ranas arbóreas y salamandras pueden reproducirse. Las frutas de Cornus sericea y de Malus fusca proveen alimento para gran variedad de pájaros, que construyen sus nidos entre los arbustos y cazan insectos en el aire.
Si no fuera por el castor, estos y muchos otros animales hallarían la vida en el valle mucho más difícil.

La tercera foto es del riachuelo Thelwood, desde el otro lado del puente. Este riachuelo alimenta el lago.


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