A turkey is actually each one out-of a couple species of large wild birds regarding the genus Meleagris. Turkeys was classified regarding gamebird acquisition. Formerly, they certainly were sensed a distinct household members, Meleagrididae, however, recently these were reclassified as an excellent subfamily (Meleagridinae) of your own pheasants in addition to their allies. Just as in of a lot galliform species, the feminine are smaller than a man, and much less colorful. Due to their wingspans of 1.5-1.8 meters, the newest turkeys is actually undoubtedly the greatest wild birds in the open forests where it live, consequently they are rarely confused with almost every other variety.
The present day tamed chicken was made throughout the Nuts Chicken. The Ocellated Poultry is most likely also domesticated of the Mayans. It has been speculated this particular species is far more tractable than just its northern similar, and are the cause of one’s establish tamed inventory, but there is zero morphological facts to support it concept. Particularly, new breasts tuft from residential turkeys is actually a definite indication of descent regarding the Insane Poultry, since Ocellated Poultry doesn’t always have that it tuft.
Turkeys is extensively hunted, particularly the Nuts Turkey in the North america. Unlike the domestic counterparts, the fresh new turkeys is actually wary principal site and you can agile flyers.
Naming
When Europeans first encountered these types of types throughout the Americas, they wrongly recognized all of them with new African Helmeted Guineafowl (Numida meleagris), labeled as the brand new turkey-cock from its importation so you’re able to Central European countries owing to Turkey, as well as the identity of these nation stuck because the plus the term of one’s American bird. The fresh new dilemma is additionally shown regarding the medical term: meleagris are Greek to own guinea-fowl.
The new labels towards the domesticated Poultry various other dialects as well as frequently reflect their amazing root, viewed away from a vintage Globe thoughts, and you can distress on where it actually comes from. The numerous recommendations so you’re able to India noticed in prominent brands go back so you’re able to a mixture of a couple of items: very first, the real trust that recently-found Americas was basically actually an integral part of East Asia, and you will 2nd, the fresh new tendency to characteristic unique make to a few particular set that at that time represented far-away from, exotic places. The second is mirrored when it comes particularly ” Muscovy Duck” (which is out of South usa, maybe not Muscovy) and even is actually a primary reasons why title “turkey-cock” are moved to Meleagris types.
Another wild birds which happen to be possibly named “turkeys” commonly such as directly relevant: the Australian brush-poultry are a megapode, therefore the bird also known given that “Australian chicken” is obviously brand new Australian Bustard, a great gruiform.
Asexual breeding
Turkeys are recognized for their ability, unusual between higher species, to reproduce asexually. Regarding the absence of a masculine, female Turkeys are known to write fruitful egg. The person brought is sometimes sickly, and nearly always men. That it actions is interfere with brand new incubation off egg into the Chicken agriculture.
Fossil turkeys
Of numerous turkeys was indeed described of fossils. The fresh new Meleagridinae are recognized on the Very early Miocene (c.23 mya) forward, toward extinct genera Rhegminornis (Early Miocene off Bell, USA) and you may Proagriocharis (Kimball Later Miocene/Early Pliocene of Tangerine Creek, USA). The previous is likely a good basal turkey, additional a more modern bird not as similar to recognized turkeys; one another had been much shorter birds. A poultry traditional maybe not assignable so you can genus however, exactly like Meleagris is famous in the Later Miocene of Westmoreland State, Virginia (Olson, 1985).
In the current genus Meleagris, a considerable number of kinds was basically decribed, because poultry fossils try robust, fairly often discovered, and you can turkes let you know far version certainly some one. A few of these going traditional types are now actually noticed junior synonyms. You to definitely, the brand new really-noted California Poultry Meleagris californica, became extinct has just enough to were hunted from the very early peoples settlers, although the real passing is more most likely due to weather alter at the end of the final ice years. The modern kinds and Ca Turkey seem to have diverged around one million in years past (Olson, 1985).
- Meleagris sp. (Very early Pliocene off Bone Valley, USA)
- Meleagris leopoldi (Later Pliocene regarding Cita Canyon, USA) – formerly Agriocharis
- Meleagris progenes (Rexroad Later Pliocene, Meade County, USA) – formerly Agriocharis
- Meleagris sp. (Later Pliocene from Macasphalt Layer Gap, USA)
- Meleagris anza (Very early Pleistocene from Hillcrest County, USA)
- Meleagris californica (Late Pleistocene out of SW United states) – formerly Parapavo/Pavo
- Meleagris crassipes (Late Pleistocene out of SW North america)