Agelaius xanthomus

The yellow-shouldered blackbird, known in Puerto Rican Spanish as mariquita de Puerto Rico or capitán, is a species of blackbird endemic to Puerto Rico. It has black plumage with a prominent yellow patch on the wing. Adult males and females are of similar appearance. The species is predominantly insectivorous.

Agelaius xanthomus

Mike Morel/U. S. Fish and Wildlife Service · Public Domain · via Wikipedia/Commons. May be a photograph of a specimen, or an artist’s reconstruction — an interpretation of a skeleton, since colour and soft tissue are almost never preserved.

On record

Recorded, not inferred
Also called
yellow-shouldered blackbirdPBDB
Sits inside
AgelaiusPBDB
Diet
insectivore, frugivorePBDB, for Icteridae
Life habit
volantPBDB, for Icteridae
Motility
actively mobilePBDB, for Theropoda
Environment
terrestrialPBDB, for Icteridae

Time the record covers

At most 129 thousand years on record.

Every occurrence read is dated to somewhere between 129 ka and 0 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Pleistocene — about 2 of 2 occurrencesPleistoceneHolocene — about 0 of 2 occurrences147 ka–126 ka Mya — about 0.1 occurrences126 ka–105 ka Mya — about 0.3 occurrences105 ka–84 ka Mya — about 0.3 occurrences84 ka–63 ka Mya — about 0.3 occurrences63 ka–42 ka Mya — about 0.3 occurrences42 ka–21 ka Mya — about 0.3 occurrences21 ka–0 Mya — about 0.3 occurrences629 ka0 Mya

2 occurrences of Agelaius xanthomus on record, most of them in the Pleistocene. The Paleobiology Database records this as a living group. Bar height is expected occurrences, not a count: each fossil is spread across the span it is dated to, so a tall narrow bar means tight dating and a low wide one means loose.

When

2 occurrences

These are dates about fossils, not the animal: the record can only begin after it arose and end before it died out, so either end may reach further. Shares are expected occurrences: a fossil dated to a span is counted partly in each period it straddles. More on what this infers.

Agelaius xanthomus and its relatives

Pleistocene

Where Agelaius xanthomus and its relatives were recorded in the Pleistocene.

Found in the same rock

45 taxa

The Paleobiology Database records 2 sites for Agelaius xanthomus, and this reads all of them. The number is how many of those sites it was catalogued from too. The 24 sharing the most are listed.

This is not a list of everything alive at the time. It is only what has come out of the same ground as this animal and been written down.

Entered from

1 reference

Each of the 2 occurrences read was entered from one of these publications, ordered by how many each accounts for. This is not a search for papers mentioning the name. Each entry links to the Paleobiology Database's own record for the work.

Media and terms

Media content1

Picture of Agelaius xanthomus

Credit
Mike Morel/U. S. Fish and Wildlife Service
Licence
Public Domain
Commercial use
the licence allows it

No 3D scan of Agelaius xanthomus was found in MorphoSource and Sketchfab.

Smithsonian Open Access was not reached for this taxon, so this list is what the others held rather than everything there is.

The description on this site

Licence
CC BY-SA 4.0

This is what the site found, which is not the same as what exists.

Keep going

What may have been alongside itAgelaius through timeFormations of the PleistoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Sclater 1862)