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Cuervo Común (Corvus corax)Autor
thompsonmark23Descripción
Found under perch where ravens were frequenting. Fish bones, mammal bones, insects, and detritus.
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Cisnes, Gansos, Patos Y Cercetas (Familia Anatidae)Autor
thompsonmark23Descripción
Photo 3 shows alongside likely goose feather it was tied up with.
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Cuervos (Género Corvus)Autor
thompsonmark23Descripción
Found under perch where crows were frequenting. Fish scales.
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Cernícalo Americano (Falco sparverius)Autor
thompsonmark23Descripción
Found under perch where kestrels were frequenting. Small mammal fur.
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Marmota de Vientre Amarillo (Marmota flaviventris)Autor
thompsonmark23Descripción
Large area and thousands of individual plant stems pulled up by the roots. A few areas, possibly organized similar to a haystack. All in nearby vicinity of burrow systems.
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Marmota de Vientre Amarillo (Marmota flaviventris)Autor
thompsonmark23Descripción
Very ragged cuts
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Cisnes, Gansos, Patos Y Cercetas (Familia Anatidae)Autor
thompsonmark23Descripción
Mallard sized tracks. Bill marks from feeding when shallow water was present.
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Castor de Montaña (Aplodontia rufa)Autor
thompsonmark23Descripción
Highest feeding sign ~4’ above ground.
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Comadrejas Y Parientes (Subfamilia Mustelinae)Autor
thompsonmark23Descripción
Sheared feathers. Shear line at different distances from attachment points (multiple small shearing bites?). Brain and top of skull eaten. Meat delicately picked off keel bone.
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Pinzón Colorado (Haemorhous purpureus)Autor
thompsonmark23Descripción
Cutting the base of the flower from the petiole. Presumably feeding on nectar or embryo at the base of the flower. Thousands of cut flower beneath the tree. Seem to focus on many flowers in single clusters.
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Búho Sabanero (Asio flammeus)Autor
thompsonmark23Descripción
Pellet. Many dozens found in open on ground (ground perching) along dikes. ASFL common here in winter.
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Águila Cabeza Blanca (Haliaeetus leucocephalus)Autor
thompsonmark23Descripción
Pellet. Beneath perch commonly used by bald eagles.
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Ardilla Listada de Townsend (Neotamias townsendii)Autor
thompsonmark23Descripción
Witnessed
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Venado Bura de Columbia (Odocoileus hemionus ssp. columbianus)Autor
thompsonmark23
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Topo Pata Ancha (Scapanus latimanus)Autor
thompsonmark23Descripción
Tunnels vary in depth from half-round to fully underground, with some retaining a slight roof of grass and veg only. Three tunnels within ~1/4 acre, all ending in large throw mound seen in photo 4. No latrines or grass clippings seen in tunnels.
