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Rusty Tinamou

Birds

By MBPublished 6 years ago 3 min read

The rusty tinamou (Crypturellus brevirostris), or short-billed tinamou, is a type of tinamou typically found in the tropical South American swamp forest. A monotypical genus, the rusty tinamou is. Both tinamou belong to the family Tinamidae and even ratites are present in the broader scheme. Tinamous, like other ratites, can float but in general they are not fast fliers. Both ratites derived from ancient flying birds, and tinamous are the closest living relative to these birds. Crypturellus consists of three words, either Latin, or Greek. Kruptos meaning concealed or obscured, oura meaning mouth, and ellus meaning diminutive. So Crypturellus means tiny hidden tail. At altitudes up to 500 m, it is found in tropical swamp forests and lowland forests. The species derives from northeastern and northwestern Brazil, French Guyana, and eastern Peru, in South America. The rusty tinamou is about 27-29 cm tall. The upper portions of it are boldly barred rufous with gold, the chest is white, the breast is bright rufous, the back is white, and the flanks are gold. The crown is chestnut coloured with yellowish-gray paws. As with other tinamous species, the rusty tinamou consumes grass berries, or low-lying trees. We also eat small quantities of invertebrates, blossoms, delicate herbs, seeds, and roots. The male incubates the eggs which can come from as many as four different females, and then holds them up until they can be autonomous, normally 2–3 weeks. On the field the nest is in dense brush, or between high root buttresses. Often known as Short-billed Tinamou, Rusty Tinamou is primarily native to Upper Amazonia, where it occurs in western and northern Brazil, both north and south of the Amazons. This is also known from what was once considered a somewhat disjunct population in French Guyana, but now it is also recorded from the neighbouring state of Amapá in Brazil. Rusty Tinamou is noteworthy for its ferruginous-chestnut crown and breast, light rufous collar, white throat and barred flanks. This is an inhabitant of dense tropical woodland, often seasonally flooded areas, and has been recorded at 500 metres. To date, there is almost no published information on the species ' life cycle or reproduction. Rusty Tinamou Crypturellus brevirostris is an unusual forest bird terra firme living in the forests. While it is common elsewhere in Amazon Brazil, the Guyana Shield, and extreme southeast Colombia, it is uncommon. Only his signature voice also betrays his identity and so most of the experiences with this tinamou are auditive. Here we study Rusty Tinamou's vocalisations, a main and secondary song which may represent the dueting of a matted pair between male and female. In other Crypturellus communities we compare and discuss this vocal behaviour with dueting. Tinamous are dark-colored birds on the Neotropical forest floor, retired and thus untrackable for long periods of time. Their mysterious behaviour and contrasting coloration between species, heard more frequently than seen, complicates identification when seen. Just their distinctive songs usually show their identity and make them recognisable. Rusty Tinamou Crypturellus brevirostris, which inhabits the virgin Amazonian terra firme wood, is a poorly known species in which only basic biological features have virtually little to be learned. Her first recording of speech is from December 1989, when T. A. Parker recorded a singing tinamou near Manaus, in the Brazilian state of Amazonas. Since Tinamou C. Bartlett of Bartlett wasn't recorded north of the Amazon, this is the location of type C. Brevirostris is Manaus, and the recorded song was believed to belong to C, and the sounds of the other tinamou species in the area were already recognised. That was sponsored by brevirostris but no visual observations in subsequent years. The usty Tinamou has a signature tune, usually beginning with a whistled note, accompanied by a series of quicker whistles that raise gradually in pitch. Occasionally, the pattern tends to exceed its full duration, with occasional notes declining in pitch and velocity.

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About the Creator

MB

I am a bird aficionado and really enjoy spotting them them on hikes. I greatly appreciate the variety of birds cross North America and the world. They are amazing and intelligent creatures, each so unique and with a wonderful life.

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