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Ecological Core Concepts -- Interspecific interactions -- Predation and herbivory

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View Resource A Case of a Warbler Eating Berries

This is a photographic case study on the Yellow-rumped Warbler. This bird is unusual among warblers in its ability to eat Bayberry seeds. This ability give is a winter food source that minimizes...

View Resource A Case of a Warbler Eating Berries [resource group]

This is the resource folder for a photographic case study on the Yellow-rumped Warbler. This bird is unusual among warblers in its ability to eat Bayberry seeds. This ability give is a winter food...

View Resource A community of wildflowers growing in a restored prairie in southwestern Wisconsin.

A community of wildflowers growing in a restored prairie in southwestern Wisconsin. The community pictured was open to foraging by meadow voles (Microtus pennsylvanicus), resulting in vegetation...

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View Resource A female parasitoid wasp (Euplemus vuilletti) feeds from its host, a beetle larva (Callosobruchus maculatus).

A female parasitoid wasp (Euplemus vuilletti) feeds on its host, a beetle larva (Callosobruchus maculatus), by puncturing the beetle's cuticle with its ovipositor. The wasp creates a feeding tube to...

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View Resource A juvenile male Antarctic fur seal (Arctocephalus gazella) on South Georgia Island

The Antarctic fur seal (Arctocephalus gazella) feeds mostly on krill (Euphausia superba). A recent found that fur seals adjust their foraging activity to track the highly variable distribution and...

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View Resource A parsnip webworm (Depressaria pastinacella) feeds on wild parsnip (Pastinaca sativa) in the Netherlands.

A parsnip webworm (Depressaria pastinacella) feeds on wild parsnip (Pastinaca sativa) in the Netherlands. Both species are native to Europe and were introduced to North America, where they exist...

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View Resource A rare California pitcher plant (Darlingtonia californica) and potential prey, a wasp (Vespula atropilosa).

The California pitcher plant (Darlingtonia californica) is a rare carnivorous plant endemic to the Siskiyou Mountains of Oregon and northern California. It grows in serpentine fens, a threatened...

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View Resource A Red Knot foraging for bivalves in mud exhibits its ability to flex the tips of its upper mandible (rhynchokinesis).

Red Knots (Calidris canutus) feed on bivalves that live buried in mud. Using their smart bill tip, Red Knots are able to find such hard-shelled prey very efficiently. Red Knots are highly gregarious,...

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View Resource A red milkweed beetle (Tetraopes tetraophthalmus) foraging on common milkweed (Asclepias syriaca).

The red milkweed beetle (Tetraopes tetraophthalmus) and its host plant, common milkweed (Asclepias syriaca), share a long evolutionary history. The beetle specializes on the milkweed and feeds on the...

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View Resource A wolf (Canis lupus) in the snow in Banff National Park, which was recolonized by wolves in the 1980s.

The Bow Valley in Banff National Park, Canada, was recolonized by wolves (Canis lupus) in the mid-1980s, although wolves did not establish themselves in areas near the growing town of Banff. This...

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