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Mopsitta Temporal range: Lower Eocene
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Genus:	†Mopsitta Waterhouse et al. 2008
Species:	†M. tanta
Binomial name
†Mopsitta tanta Waterhouse et al. 2008

Mopsitta tanta is an extinct bird of uncertain taxonomic position from the Early Eocene of Denmark; its remains were recovered from the Fur Formation. So far, the holotype and only known specimen is a single humerus bone of rather large size. Although the phylogenetic position of genus is unclear, it was initially presumed to be phylogenetically closer to Recent Psittacidae than to other known Palaeogene psittaciforms and may, therefore, represent the oldest known crown-group parrot.^[1]

However, further examination subsequently pointed out that the fossil lacks clear psittaciform (let alone psittacid) apomorphies. Following the discovery that the fossil ibis genus Rhynchaeites also occurred in the Fur Formation, it was hypothesized that the M. tanta humerus actually belongs in that genus, being a better match (except in size) to the known Rhynchaeites remains than to any psittaciform fossil hitherto found.^[2]

The new species has been nicknamed the Danish Blue Parrot, or the Norwegian Blue, in honor of the Monty Python “dead parrot” skit where Michael Palin claimed that a newly purchased “Norwegian Blue Parrot” was not “bleedin’ demised” as his disgruntled customer asserted, but was simply “shagged out following a prolonged squawk.”

References

https://grrlscientist.medium.com/monty-pythons-dead-parrot-discovered-efbdb2a8ff47

^ Waterhouse, D.M.; Lindow, B.E.K.; Zelenkov, N.V. & Dyke, G.J. (2008). "Two new parrots (Psittaciformes) from the Lower Eocene Fur Formation of Denmark" (PDF). Palaeontology. 51 (3): 575–582. Bibcode:2008Palgy..51..575W. doi:10.1111/j.1475-4983.2008.00777.x.
^ Mayr G. & Bertelli S. (2011), "A record of Rhynchaeites (Aves, Threskiornithidae) from the early Eocene Fur Formation of Denmark, and the affinities of the alleged parrot Mopsitta", Palaeobiodiversity and Palaeoenvironments 91(3): p. 229–236.

Genera of ibis, herons, pelicans and their extinct allies

Kingdom: Animalia
Phylum: Chordata
Class: Aves
Clade: Aequornithes
Order: Pelecaniformes

Pelecaniformes

incertae sedis

†Cladornis?

†Torotigidae?

Torotix

Pelecani

Balaenicipitidae	Balaeniceps †Goliathia †Paludiavis
Pelecanidae	†Eopelecanus †Miopelecanus Pelecanus
Scopidae	Scopus

Ardei

- See below ↓

Ardei

incertae sedis

†Ardeacites?

†Xenerodiopidae

Xenerodiops

Threskiornithidae

incertae sedis	†Gerandibis †Milnea †Mopsitta? †Protibis †Rhynchaeites †Vadaravis †Xenicibis
Plataleinae	Platalea
Threskiornithinae	†Apteribis Bostrychia Cercibis Eudocimus Geronticus Lophotibis Mesembrinibis Nipponia Phimosus Plegadis Pseudibis Thaumatibis Theristicus Threskiornis

Ardeidae

†Ardeagrandis Calherodius †Eoceornis †Matuku †Nyctisoma Oroanassa †Proardeola
Agamiinae	Agamia
Ardeinae	Ardea Ardeola Butorides Egretta Gorsachius Nycticorax Nyctanassa Pilherodius †Proardea Syrigma †Zeltornis Zonerodius
Botaurinae	Botaurus Ixobrychus †Pikaihao Zebrilus
Cochleariinae	Cochlearius
Tigriornithinae	†Taphophoyx Tigriornis Tigrisoma

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