The saw-billed hermit (Ramphodon naevius ) is a hummingbird in the family Trochilidae. It is endemic to Brazil.
In zoology, a nectarivore is an animal that derives its energy and nutrient requirements from a diet consisting mainly or exclusively of the sugar-...
Te
TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
Oviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
No
Not a migrantAnimals that do not make seasonal movements and stay in their native home ranges all year round are called not migrants or residents.
S
starts withThe saw-billed hermit is 14 to 16 cm (5.5 to 6.3 in) long and weighs 5.3 to 9 g (0.19 to 0.32 oz). It is one of the three heaviest hermits and the male is heavier than the female. Both sexes have saw-like serrations on the mandible and the male's bill has a hooked tip as well. (The unrelated tooth-billed hummingbird (Androdon aequatorialis ) is the only other hummingbird that has a serrated bill.) Both sexes have scaly brown upperparts and dark and pale striped underparts. They have a reddish ochre throat, a dark patch through the eye, and a white supercilium. The upper side of the tail is purplish black while the underside has progessively more buff at the ends to the outer pair of feathers.
The saw-billed hermit is found in a narrow band of southeastern Brazil from the states of Minas Gerais and Espírito Santo south to eastern Santa Catarina and northernmost Rio Grande do Sul. It inhabits the understory of the humid coastal Atlantic Forest up to an elevation of 500 m (1,600 ft).
The saw-billed hermit is presumed to be sedentary, but there is speculation that it makes some short-range movements.
The saw-billed hermit feeds on the nectar of a wide range of native and introduced flowering plants; most share the characteristic of tubular blossoms. It typically feeds within about 6 m (20 ft) of the ground but has been noted as high as 15 m (49 ft). Like other hermit hummingbirds it is a "trap-line" feeder, visiting a circuit of flowering plants. However, unlike many other trap-liners it defends its route by aggressive behavior towards conspecific and other hummingbirds. In addition to nectar, it feeds on small arthropods gleaned from vegetation.
The saw-billed hermit's breeding season has not been fully defined but appears to include July to September. It builds its cone-shaped cup nest from plant material and cobwebs under the tip of a long drooping leaf. Its clutch is two eggs.
