Toxostoma guttatum

(Ridgway, 1885) · species

image placeholder — illustration coming later

Animalia/Chordata/Aves/Passeriformes/Mimidae/Toxostoma

At a glance

Occurrence records177

Data sources8

Biological traits21

DNA specimens2

eDNA detections2

Sources8 archives

Databases and archives Toxostoma guttatum's data was compiled from.

WikipediaWikimedia Foundation8 languages↗

BioWikiNetmultilingual Wikipediamultilingual↗

GBIFGlobal Biodiversity Information Facility177 records↗

ENAEuropean Nucleotide Archive · EMBL-EBI2 eDNA detections↗

BOLD SystemsCentre for Biodiversity Genomics2 specimens↗

Open Tree of LifeOpenTreephylogeny backbone↗

WikidataWikimedia Foundationstructured facts↗

IOC World Bird ListIOCbird checklist↗

On this page5 sections

Every layer below draws on the sources above — open one to explore it, or use ← → to move between tabs.

NarrativeWikipediaarticle

Traits & measurements3 literature sources21 traits

Occurrence & distributionGBIF177 records

Environmental DNA1 datasets · 1 countries2 detections

DNA & barcodingBOLD2 specimens

01Narrative

The Cozumel thrasher (Toxostoma guttatum) is a bird from the mockingbird family (Mimidae), which is endemic to the island of Cozumel off the Yucatán Peninsula, Mexico. It is believed to be the most critically endangered species of bird in Mexico - if it indeed still exists, which is probable but not certain.ENS (2004) This bird is closely related to the long-billed and brown thrasher. It has been generally described as shy, but there have been descriptions to the contrary. It was once abundant throughout Cozumel before two hurricanes greatly affected its numbers. Invasive species are also thought to have impacted the population of the thrasher.

No narrative description available for this taxon yet.

02Traits & measurements

SourcesEltonTraitsAVONETAmnioteDB

Size & morphology11

Beak depth5.6 mm

Beak length (culmen)30.6 mm

Beak length (nares)20.2 mm

Beak width5.9 mm

Body mass52.8 g

Hand-wing index12.2

Kipp's distance10.5 mm

Secondary length75.9 mm

Tail length102 mm

Tarsus length30.4 mm

Wing length86.9 mm

Diet & foraging6

Fruit30 %

Ground50 %

Invertebrate70 %

Trophic levelcarnivore

Trophic nicheInvertivore

Understory50 %

Habitat & environment4

HabitatForest

Migration1.0

Primary lifestyleTerrestrial

Range size24.89 km²

05DNA & barcoding2 specimens

A DNA barcode is a short, standardised stretch of genes that works like a fingerprint — enough to tell one species from another. Below is the molecular trace Toxostoma guttatum has left across the world's sequence archives.

At a glance

DNA specimens2

BINs1

Marker genes1

eDNA detections2

Countries1

Marker genes sequenced

★ the standard DNA barcode for this group — the short region actually read to tell this species apart. The rest are extra genes sequenced along the way.

★COI-5P

animal barcode

08Occurrence & distribution

Record type177 records

Wild obs. + sensor81

Museum / vouchered92

Other4

Origin

Native15

Range

Area of Occupancy AOO160 km²

Wildobservation + sensor

Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.

Coordinate accuracy100% within 1 km

≤100 m 4

4 georeferenced · 77 without coordinates

Open the mapobservation + sensor81

Museum / Voucheredphysical evidence

Backed by a physical specimen — a herbarium sheet, sample or voucher held in a collection. “Vouchered” means supported by material evidence, not just an observation.

Coordinate accuracy91% within 1 km

≤100 m 60≤10 km 6

66 georeferenced · 26 without coordinates

Open the institutions mapphysical evidence92

Wildobservation + sensor

Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.

10Collections & institutions

Holding institutions12 of 17 geolocated

Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.

Institution	Specimens
South Kensington, GB	21
Chongqing Museumlocation not on record	17
Toronto, CA	15
	10
New Haven, US	6
Chicago, US	4
Delaware Museum of Nature and Sciencelocation not on record	3
Wuzhou, CN	3
Louisiana State University, Museum of Zoologylocation not on record	2
Mexico City, MX	2
Museo civico La Terra e l'Uomo di Crocetta del Montellolocation not on record	2
Philadelphia, US	2
Ann Arbor, US	1
St. Paul, US	1
Seattle, US	1
Mongolian Museum of Natural Historylocation not on record	1
Ciudad de México, MX	1

17 institutions · 92 of 92 vouchered records shown

09Environmental DNA2 detections

Where the DNA of Toxostoma guttatum was picked up in samples of water, soil or air — nobody saw the organism, only its DNA left behind. A trace is a clue that the species was near, not a confirmed sighting.

Signal

Detections DNA found2

Studies independent surveys1

Countries1

Signal confidence: weakweighed across independent studies, places & mapped detections

Where its DNA was found

0 of 2 detections have coordinates

Open the map1 country0

How strong is each trace?

DNA read depthRead counts were not reported for this species — the map shows presence only, not how strong each trace was.

Modelled climatemodelled

−15°Ctemperature across detection sites+40°C

Temperature median25.0 °C 25.0–25.0

Seasonal swing summer↔winter3.50 °C

Max temp (day)25.7 °C

Min temp (night)24.4 °C

Precipitation54.1 mm/mo

Air humidity59.8 %

Moisture balance-94.4 mm/mo

Vapour deficit1,263 Pa

Wind speed2.20 m/s

Cloud cover30.3 %

CHELSA 1981–2010, ~9 km grid, at location & month of 1 detection point · median with p10–p90 · reflects where sampling happened, not only the true niche

How to read this: each dot is one detection of this species' DNA in an environmental sample. The confidence meter weighs how many independent studies and places back up the signal — one detection in one study is a hint; many across several studies is solid. Records dated before 2008 (when eDNA methods began) are treated as likely mislabeled and left off the map.

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