Alex Hyde / Lichen-mimicking Huntsman Spider (Pandercetes sp) Danum Valley, Sabah, Borneo.
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Patricio Robles Gil / Silhouetted Capivara / Capibara (Hydrochoerus hydrochaeris) with Cattle Tyrant (Machetornis rixosa), which feeds on flies approaching the Capibara. Parana, Southern Brazil.
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Konrad Wothe / Cattle Tyrant (Machetornis rixosa) on Capybara (Hydrochoerus hydrochaeris), Pantanal, Brazil
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Paul Williams / Cattle tyrant (Machetornis rixosa) Pantanal, Brazil
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Paul Williams / Capybara (Hydrochoerus hydrochaeris) with Cattle tyrant (Machetornis rixosa) bird on its back looking for insects to feed on, Pantanal, Pocone, Brazil
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Paul Williams / Cattle tyrant (Machetornis rixosa) Pantanal, Brazil
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Paul Williams / Capybara (Hydrochoerus hydrochaeris) with Cattle tyrant (Machetornis rixosa) bird on its back looking for insects to feed on, Pantanal, Pocone, Brazil
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Luiz Claudio Marigo / Cattle Tyrant (Machetornis rixosa) with insect in its beak. The Pantanal wetlands of Mato Grosso State, Brazil, November.
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Mary McDonald / Cattle Tyrant (Machetornis rixosus) riding on the head of a Capybara (Hydrochoerus hydrochaeris) moving through swampland. The Tyrant flycatcher is hunting for insects disturbed by the rodent. Pantana...
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Theo Allofs / Cattle Tyrant (Machetornis rixosa) birds on Capybara (Hydrochoerus hydrochaeris) in swamp, Pantanal, Brazil
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Staffan Widstrand / Capybara {Hydrochoerus hydrochaeris} with Cattle tyrant bird on back, Brazil.