Capybara (Hydrochaerus hydrochaeris) in profile against a vegetative background with a Smooth-billed Ani (Crotophaga ani) on its head in the Pantanal, Brazil

hydrochaeris hydrochaeris hydrochoerus hydrochaeris crotophaga ani brazil adult deworm posing commensalism symbiosis portrait profile shot hydrochaerus pantanal capybara hydrochaerus hydrochaeris pair bank rive food search october flood plain crotophaga smooth billed ani crotophaga ani adults dewormed deworming dewormer dewormings deworms posed pose settlings settling commensal commensally symbioses symbiotic symbiotics portraits profile sights profile sight profile shots profile view profile views side view capybaras hydrochaerus hydrochaeris duet pairs duets 2 two water edge banks rive water edges least concern species food searches flood plains flooded area flooded areas floodplain floodplains south america america stage of development individual relation between species species hydrochaeridae rodentia mammalia cynodontia therapsida eupelycosauria synapsida tetrapoda tetrapodomorpha rhipidistia sarcopterygii euteleostomi gnathostomata vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota rodent mammal therapsid synapsid vertebrate chordate wild animal animal freshwater wetland area area iucn red list of threatened species seek freshwater swamp cuculidae cuculiformes aves sauropsida ani crotophaga sp cuckoo bird sauropsid