Heliomaster constantii
Silhouette: Cristian Gutierrez-Ibanez · PhyloPic
In 3 days <5%
The plain-capped starthroat (Heliomaster constantii) is a species of hummingbird in the "mountain gems", tribe Lampornithini in subfamily Trochilinae. It is found from Mexico to Costa Rica. The plain-capped starthroat is 11 to 13 cm (4.3 to 5.1 in) long. Males weigh about 7.4 g (0.26 oz) and females about 7.2 g (0.25 oz). Both sexes of all subspecies have a long, almost straight, black bill and a white streak behind the eye. The sexes have essentially the same plumage.
The nominate subspecies has metallic bronze green upperparts with a wide white streak on the rump; the crown is less metallic than the rest. Much of the face is dusky, with a wide white "moustache". The chin is sooty to blackish and the gorget ranges from several shades of bright metallic red to purplish red. The underparts are browish gray with a white belly. The undertail coverts are pale gray with wide white tips. The flanks have a large tuft of white feathers. The central pair of tail feathers are bronze green with dusky ends and the rest bronze green... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cañón del Sumidero National Park | 🇲🇽 Mexico | |
| 2 | Santa Rosa National Park | 🇨🇷 Costa Rica | |
| 3 | Las Baulas Marine National Park | 🇨🇷 Costa Rica | |
| 4 | Rincón de la Vieja National Park | 🇨🇷 Costa Rica | |
| 5 | Ostional Wildlife Refuge | 🇨🇷 Costa Rica | |
| 6 | Palo Verde National Park | 🇨🇷 Costa Rica | |
| 7 | Cabo Blanco Absolute Nature Reserve | 🇨🇷 Costa Rica | |
| 8 | La Tigra National Park | 🇭🇳 Honduras | |
| 9 | Tenorio Volcano National Park | 🇨🇷 Costa Rica | |
| 10 | Masaya Volcano National Park | 🇳🇮 Nicaragua | |
| 11 | Monteverde Cloud Forest Reserve | 🇨🇷 Costa Rica | |
| 12 | Carara National Park | 🇨🇷 Costa Rica |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San José | 🇨🇷 Costa Rica | |
| 2 | San Salvador | 🇸🇻 El Salvador | |
| 3 | Mexico City | 🇲🇽 México |
Rare
Under 5% of wildlife watchers report a Plain-capped Starthroat sighting in Mexico City on a given day, based on 16 verified sightings from GBIF citizen-science data. It is the 296th most-seen of the 332 birds we can rate there. Over three days the chance rises to under 5%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Plain-capped Starthroat in Mexico City 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 Plain-capped 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.
Among the best
Of the 3 cities where we can rate Plain-capped Starthroat sightings, Mexico City ranks 3rd at under 5%, level with the leaders once rounded. The best odds are in San José (Costa Rica, under 5%) and San Salvador (El Salvador, under 5%).
Same family: Trochilidae
The closest relatives of the Plain-capped Starthroat that you can see in Mexico City (family Trochilidae, Hummingbirds) are Berylline Hummingbird (about 60%), Broad-billed Hummingbird (about 50%) and White-eared Hummingbird (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Plain-capped Starthroat is recorded against all the birds logged in Mexico City (16 verified sightings), 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.
