Heliomaster squamosus
Silhouette: Cristian Gutierrez-Ibanez · PhyloPic
In 3 days <5% in a week ~10%
The stripe-breasted starthroat (Heliomaster squamosus) is a species of hummingbird in the "mountain gems", tribe Lampornithini in subfamily Trochilinae. It is endemic to Brazil. At one time the stripe-breasted starthroat was placed in genus Lepidolarynx but since the mid-1900s has had its current placement in Heliomaster. It is monotypic.
The stripe-breasted starthroat is 11.2 to 12.4 cm (4.4 to 4.9 in) long and weighs 5 to 6.5 g (0.18 to 0.23 oz). Both sexes have a long, slightly decurved, black bill, a white streak behind the eye, and a white "moustache". Both have a forked tail but the female's is less deeply indented than the male's. Males in breeding plumage have bronzy green upperparts with an iridescent green crown. Their gorget is glittering violet and the sides of it flare out. Their underparts are greenish-black with a white stripe down the middle. The central tail feathers are black and the rest are dark blue-green. After breeding its throat molts to grayish with black spots. Females' upperparts are like the male's. The throat feathers are blackish green with white edges. The chest and belly are grayish with a white stripe... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Serra da Canastra National Park | 🇧🇷 Brazil | |
| 2 | Chapada Diamantina National Park | 🇧🇷 Brazil |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Belo Horizonte | 🇧🇷 Brazil |
Rare
Under 5% of wildlife watchers report a Stripe-breasted Starthroat sighting in Chapada Diamantina National Park on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 258th most-seen of the 271 birds we can rate there. Over three days the chance rises to under 5%, and over a week to about 10%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Stripe-breasted Starthroat in Chapada Diamantina National Park on a given day, so our monthly data shows no clear season.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Stripe-breasted Starthroat sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 2
Of the 2 parks where we can rate Stripe-breasted Starthroat sightings, Chapada Diamantina National Park ranks 2nd at under 5%. The best odds are in Serra da Canastra National Park (Brazil, about 10%).
Same family: Trochilidae
The closest relatives of the Stripe-breasted Starthroat that you can see in Chapada Diamantina National Park (family Trochilidae, Hummingbirds) are Glittering-bellied Emerald (about 50%), Hooded Visorbearer (about 40%) and White-vented Violetear (about 40%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Stripe-breasted Starthroat is recorded against all the birds logged in Chapada Diamantina National Park (5 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
