Vireo magister
Silhouette: Caleb Gordon · PhyloPic
In 3 days ~40% in a week ~70%
The Yucatan vireo (Vireo magister) is a species of bird in the family Vireonidae, the vireos, greenlets, and shrike-babblers. It is found on Grand Cayman and in Belize, Honduras, and Mexico. It has once been documented as a vagrant in Texas.
The Yucatan vireo was originally described in 1871 as Vireosylvia magister. The Yucatan vireo's further taxonomy is unsettled. The IOC, AviList, and BirdLife International's Handbook of the Birds of the World assign it these four subspecies:
The Yucatan vireo, the red-eyed vireo (V. olivaceus) and several other vireos form a superspecies. This article follows the four-subspecies model. The Yucatan vireo is about 15 cm (5.9 in) long and weighs about 13.5 to 25 g (0.48 to 0.88 oz). The sexes have the same plumage. Adults of the nominate subspecies V. m. magister have a pale brownish white supercilium and brownish gray lores; the... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Arrecifes de Cozumel National Park | 🇲🇽 Mexico | |
| 2 | Sian Ka'an Biosphere Reserve | 🇲🇽 Mexico | |
| 3 | Ría Lagartos Biosphere Reserve | 🇲🇽 Mexico |
Possible
About 20% of wildlife watchers report a Yucatán Vireo sighting in Sian Ka'an Biosphere Reserve on a given day, based on 371 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 81st most-seen of the 288 birds we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
February to December
In those months about 20% of wildlife watchers report a Yucatán Vireo in Sian Ka'an Biosphere Reserve on a given day, against about 10% in January, the lowest month.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Yucatán Vireo sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 3
Of the 3 parks where we can rate Yucatán Vireo sightings, Sian Ka'an Biosphere Reserve ranks 2nd at about 20%. The best odds are in Arrecifes de Cozumel National Park (Mexico, about 50%).
Same genus: Vireo
The closest relatives of the Yucatán Vireo that you can see in Sian Ka'an Biosphere Reserve (genus Vireo, Vireos) are White-eyed Vireo (about 30%), Yellow-green Vireo (about 20%) and Yellow-throated Vireo (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Yucatán Vireo is recorded against all the birds logged in Sian Ka'an Biosphere Reserve (371 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.
