Xiphorhynchus flavigaster
Silhouette: Melo-Ortiz O.E.; Herrera-R, G.A. y Parada-Pedreros S · PhyloPic
In 3 days ~70% in a week ~90%
The ivory-billed woodcreeper (Xiphorhynchus flavigaster) is a species of bird in the subfamily Dendrocolaptinae of the ovenbird family Furnariidae. It is found in Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, and Nicaragua.
The ivory-billed woodcreeper is 20 to 26.5 cm (7.9 to 10 in) long. Males weigh 40 to 62 g (1.4 to 2.2 oz) and females 35 to 56 g (1.2 to 2.0 oz). It is a medium-sized member of genus Xiphorhynchus, with a long, fairly heavy, slightly decurved bill. The sexes have the same plumage. Adults of the nominate subspecies X. f. flavigaster have a face with fine buffy and blackish streaks, an indistinct buffy supercilium and eyering, and a faint dark stripe behind the eye. Their crown and nape are dark grayish brown with longish buff spots that are almost streaks. Their back and... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Tikal National Park | 🇬🇹 Guatemala | |
| 2 | Cockscomb Basin Wildlife Sanctuary | 🇧🇿 Belize | |
| 3 | Calakmul Biosphere Reserve | 🇲🇽 Mexico | |
| 4 | Pico Bonito National Park | 🇭🇳 Honduras | |
| 5 | Sian Ka'an Biosphere Reserve | 🇲🇽 Mexico | |
| 6 | Montes Azules Biosphere Reserve | 🇲🇽 Mexico | |
| 7 | Cañón del Sumidero National Park | 🇲🇽 Mexico | |
| 8 | El Triunfo | 🇲🇽 Mexico | |
| 9 | Santa Rosa National Park | 🇨🇷 Costa Rica | |
| 10 | Cerro Azul Meámbar National Park | 🇭🇳 Honduras | |
| 11 | Biotopo Cerro Cahuí | 🇬🇹 Guatemala | |
| 12 | Lago de Yojoa | 🇭🇳 Honduras | |
| 13 | Cusuco National Park | 🇭🇳 Honduras | |
| 14 | Cabo Blanco Absolute Nature Reserve | 🇨🇷 Costa Rica | |
| 15 | Rincón de la Vieja National Park | 🇨🇷 Costa Rica | |
| 16 | Ostional Wildlife Refuge | 🇨🇷 Costa Rica | |
| 17 | Celestún Biosphere Reserve | 🇲🇽 Mexico | |
| 18 | Celaque National Park | 🇭🇳 Honduras | |
| 19 | Las Baulas Marine National Park | 🇨🇷 Costa Rica |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San Pedro Sula | 🇭🇳 Honduras | |
| 2 | San Salvador | 🇸🇻 El Salvador |
Possible
About 30% of wildlife watchers report an Ivory-billed Woodcreeper sighting in Sian Ka'an Biosphere Reserve on a given day, based on 737 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 36th most-seen of the 288 birds we can rate there. Over three days the chance rises to about 70%, and over a week to about 90%, if each day is a fresh chance.
December to May
In those months about 40% of wildlife watchers report an Ivory-billed Woodcreeper in Sian Ka'an Biosphere Reserve on a given day, against about 10% in August, the lowest month. Those are among Sian Ka'an Biosphere Reserve's driest months, with about 50 mm of rain a month against 230 mm in June.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Ivory-billed Woodcreeper sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
5th of 19
Of the 19 parks where we can rate Ivory-billed Woodcreeper sightings, Sian Ka'an Biosphere Reserve ranks 5th at about 30%. The best odds are in Tikal National Park (Guatemala, about 50%), Cockscomb Basin Wildlife Sanctuary (Belize, about 40%) and Calakmul Biosphere Reserve (Mexico, about 40%). All parks ranked.
Same family: Furnariidae
The closest relatives of the Ivory-billed Woodcreeper that you can see in Sian Ka'an Biosphere Reserve (family Furnariidae, Ovenbirds and Woodcreepers) are Olivaceous Woodcreeper (about 30%), Tawny-winged Woodcreeper (about 20%) and Ruddy Woodcreeper (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Ivory-billed Woodcreeper is recorded against all the birds logged in Sian Ka'an Biosphere Reserve (737 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.
