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A hoatzin's meal takes up to 45 hours to pass through its body. [20] [22] [23] [24] With a body weight as low as 700 grams (1.5 lb), the adult hoatzin is the smallest known animal with foregut fermentation (the lower limit for mammals is about 3 kilograms or 6.6 pounds). [25]
The hoatzin is an arboreal species and is folivorous, feeding on leaves, flowers and fruits of a small number of plant species. [1] [7] It has a large crop that uses bacteria to break down the leaves that it eats. [7] The hoatzin is unique because it has bacteria in its crop that breaks down its food while it is still in the crop.
It is a member of the family Opisthocomidae, which also includes the hoatzin and several other extinct genera. The only known species is Hoazinoides magdalenae.Its generic epithet refers to its resemblance to modern hoatzin, and its specific name refers to its discovery near the Magdalena River basin.
A hoatzin. It has been observed that folivory is extremely rare among flying vertebrates. [2] Morton (1978) attributed this to the fact that leaves are heavy, slow to digest, and contain little energy relative to other foods. [2] The hoatzin is an example of a flighted, folivorous bird. There are, however, many species of folivorous flying insects.
Gruae [3] is a clade of birds that contains the order Opisthocomiformes (hoatzin) and Gruimorphae (shorebirds and rails) identified in 2014 by genome analysis. [4] Previous studies have placed the Hoatzin in different parts of the bird family tree; however, despite its unusual and primitive morphology, genetic studies have shown the hoatzin is not as primitive or as ancient as once thought ...
Editor's note: This page reflects news from Friday, Jan. 31. For the latest updates on the plane crash, please read USA TODAY's coverage of the investigation on Saturday, Feb. 1.. WASHINGTON ...
"Phylogenetic relationships of the enigmatic hoatzin (Opisthocomus hoazin) resolved using mitochondrial and nuclear gene sequences" (PDF). Molecular Biology and Evolution. 16 (9): 1300– 1307. doi: 10.1093/oxfordjournals.molbev.a026220. PMID 10486983. International Turaco Society (Magazines 1993–2012), also website 2001, turacos.org
Prior to the collision, both aircraft were in transition, according to officials with the National Transportation Safety Board, which is leading the investigation. American Eagle Flight 5342 was ...