Little yellow cattle tyrant, machetornis rixosa standing on a moving furry mammal, looking around its surroundings, searching for potential invertebrates, extreme close up shot

cattle tyrant species bird flycatcher tyrannidae perch stand walk suiriri cavaleiro brazil nature natural habitat argentina terrestrial capybara forage clean symbiosis mammal insect feed prey horse fly ibera wetland pantanal reserve conservation parasite eat south america national park provincial fauna animal wild wildlife fur hydrochoerus hydrochaeris savannah pasture wonder look invertebrate machetornis rixosa