Cyanocitta cristata

The blue jay is a passerine bird in the family Corvidae, native to eastern North America. It lives in most of the eastern and central United States; some eastern populations may be migratory. Resident populations are also in Newfoundland, Canada; breeding populations are found across southern Canada. It breeds in both deciduous and coniferous forests, and is common in residential areas. Its coloration is predominantly blue, with a white chest and underparts, and a blue crest; it has a black, U-shaped collar around its neck and a black border behind the crest. Males and females are similar in size and plumage, which does not vary throughout the year. Four subspecies have been recognized.

Cyanocitta cristata

Rhododendrites · CC BY-SA 4.0 · 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
blue jayPBDB
Sits inside
CyanocittaPBDB
Diet
omnivorePBDB, for Corvidae
Life habit
volantPBDB, for Corvidae
Motility
actively mobilePBDB, for Theropoda
Environment
terrestrialPBDB, for Corvidae

Time the record covers

At least 1.6 million years on record.

The record covers at least 1.8 Mya to 129 ka. No occurrence read is dated outside 2.58 Mya to 0 Mya.

Pliocene — about 0 of 9 occurrencesPleistocene — about 9 of 9 occurrencesPleistoceneHolocene — about 0 of 9 occurrences2.7–2.6 Mya — about 0.0 occurrences2.6–2.5 Mya — about 0.1 occurrences2.5–2.4 Mya — about 0.1 occurrences2.4–2.3 Mya — about 0.1 occurrences2.3–2.2 Mya — about 0.1 occurrences2.2–2.1 Mya — about 0.1 occurrences2.1–2.0 Mya — about 0.1 occurrences2.0–1.8 Mya — about 0.1 occurrences1.8–1.7 Mya — about 0.1 occurrences308 ka–205 ka Mya — about 0.0 occurrences205 ka–103 ka Mya — about 2 occurrences103 ka–0 Mya — about 6 occurrences1.8 Mya129 ka3.08 Mya0 Mya

9 occurrences of Cyanocitta cristata 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

9 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.

Found in

1 formation

Wicomico — 29.60°N, 82.42°W

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The named rock units Cyanocitta cristata has been recovered from, largest first. Drawn where the rock is now, not where it formed. 8 occurrences have no formation on record, which is common for older literature.

Cyanocitta cristata and its relatives

Pleistocene

Where Cyanocitta cristata and its relatives were recorded in the Pleistocene.

Found in the same rock

519 taxa

The Paleobiology Database records 9 sites for Cyanocitta cristata, 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

9 references

Each of the 9 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. Entries link to doi.org where the Paleobiology Database holds an identifier, and to its own record where it does not. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content2

Picture of Cyanocitta cristata

Credit
Rhododendrites
Licence
CC BY-SA 4.0
Commercial use
the licence allows it

3D model

Source
Sketchfab
Credit
MooreLab
Licence
CC Attribution
Commercial use
cannot be read from the licence given — check the record

Smithsonian Open Access and MorphoSource were 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

Occurrence data from the Paleobiology Database, CC BY 4.0. (Linnaeus 1758)