Purple-backed Thornbill

Purple-backed Thornbill

Ramphomicron microrhynchum

Silhouette: Ferran Sayol · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~20% · Possible
at Los Nevados National Natural Park
899 Verified sightings at Los Nevados National Natural Park From 2019 to 2026
1,153 Verified sightings across all 5 parks From 2019 to 2026
August Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Purple-backed Thornbill

The purple-backed thornbill (Ramphomicron microrhynchum) is a species of hummingbird in the "coquettes", tribe Lesbiini of subfamily Lesbiinae. It is found in Bolivia, Colombia, Ecuador, Peru, and Venezuela. The purple-backed thornbill shares its genus with the black-backed thornbill (R. dorsale). It has these four subspecies:

R. m. andicola Simon (1921) R. m. microrhynchum Boissonneau (1840) R. m. albiventre Carriker (1935) R. m. bolivianum Schuchmann (1984) Subspecies R. m. andicola and R. m. albiventre "are doubtfully distinct from [the] nominate."

The purple-backed thornbill is 8 to 9 cm (3.1 to 3.5 in) long and weighs about 3.5 g (0.12 oz). Both sexes have a black bill, the shortest of any hummingbird. Males of the nominate subspecies have metallic violet-purple upperparts with a white spot behind the eye. Their gorget is iridescent golden green, the underparts bronzy green, and the undertail coverts coppery with tawny fringes. The tail is moderately long, forked, and dark purple. Nominate females have shining green upperparts, and like the male, a white spot behind the eye. Their underparts are white with green dots except on the... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Los Nevados National Natural Park 🇨🇴 Colombia
~20%
2 Chingaza National Natural Park 🇨🇴 Colombia
~10%
3 Puracé National Natural Park 🇨🇴 Colombia
<5%
4 Cajas National Park 🇪🇨 Ecuador
<5%
5 Farallones de Cali National Natural Park 🇨🇴 Colombia
<5%

Quick answers

What are the chances of seeing a Purple-backed Thornbill in Los Nevados National Natural Park?

About 20% of wildlife watchers report a Purple-backed Thornbill sighting in Los Nevados National Natural Park, based on 899 verified sightings from GBIF citizen-science data.

When is the best time to see Purple-backed Thornbill in Los Nevados National Natural Park?

August has the highest sighting rate for Purple-backed Thornbill in Los Nevados National Natural Park in our monthly data.

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