Long-tailed wood partridge

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Long-tailed wood partridge
Dendrortyx macrourus - 1700-1880 - Print - Iconographia Zoologica - Special Collections University of Amsterdam - UBA01 IZ17100207.png
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Galliformes
Family: Odontophoridae
Genus: Dendrortyx
Species:
D. macroura
Binomial name
Dendrortyx macroura
(Jardine & Selby, 1828)
Dendrortyx macroura map.svg
photo from a camera trap Dendrortyx macroura 27737108.jpg
photo from a camera trap

The long-tailed wood partridge (Dendrortyx macroura) is a bird species in the family Odontophoridae, the New World quail. It is found only in Mexico. [2]

Contents

Taxonomy and systematics

The long-tailed wood partridge shares the genus Dendrortyx with two other species, all of which appear to be quite distinct from each other. [3] It has these six subspecies: [2]

Description

The long-tailed wood partridge is 29.0 to 42.2 cm (11.4 to 16.6 in) long and weighs 266 to 465 g (9.4 to 16.4 oz). Males are heavier than females, and adults of both sexes have a long tail though the female's is somewhat shorter. In adults, most of the head is black; the face has white streaks above and below the eye. The short crest on the crown is tipped with buff. The upper back is chestnut edged with gray and the lower back is olive brown, black, and tawny mottling. The breast is bluish gray with chestnut streaks. The juvenile is similar but with dark brown spots and less chestnut on the underparts. There are variations among the subspecies, but it is unknown if there are vocal differences or genetic ones other than plumage color among them. [3]

Distribution and habitat

The subspecies of the long-tailed wood partridge are distributed in four discrete zones. [3] [2]

The long-tailed wood partridge inhabits humid pine-oak, pine, fir, and montane evergreen forests with dense understories. In elevation it ranges between 1,200 and 3,300 m (3,900 and 10,800 ft). [3]

Behavior

Feeding

The long-tailed wood partridge forages mainly on the ground, scratching in leaf litter, but also climbs in low branches to search. Its diet is mostly seeds and small fruits but also includes small arthropods and leaves. [3]

Breeding

The long-tailed wood partridge's breeding season extends from February to September, with nesting itself beginning in late April. Four nests have been described. One was a depression lined with grass in a natural cavity in the ground. One was a cavity of pine needles at the base of a rock and the others were at the base of a rock outcrop and under a small shub. The last two were not well concealed. Three of them each contained four eggs and the other six eggs. [3]

Vocalization

The long-tailed wood partridge's song is "complex, loud and rhythmic", usually given as a duet by both members of a pair. One description calls it "a loud, ringing korr-EEE-oh, korr-EEE-oh, korr-EEE-oh, korr-EEE-oh". Pairs vocalize at any time of day and night during the breeding season and mostly at dawn and dusk from a night roost otherwise. The species also has an alarm call, "a repetition of short low-pitched, unmodulated squeaky notes." [3]

Status

The IUCN has assessed the long-tailed wood partridge as being of Least Concern. [1] However, its main threat is "habitat loss by land use and land cover change caused by human activities." [3]

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References

  1. 1 2 BirdLife International (2016). "Long-tailed Wood-partridgeDendrortyx macroura". IUCN Red List of Threatened Species . 2016. Retrieved 10 September 2021.
  2. 1 2 3 Gill, F.; Donsker, D.; Rasmussen, P. (July 2021). "IOC World Bird List (v 11.2)" . Retrieved July 14, 2021.
  3. 1 2 3 4 5 6 7 8 Chávez-León, G. (2020). Long-tailed Wood-Partridge (Dendrortyx macroura), version 1.0. In Birds of the World (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.ltwpar1.01 September 10, 2021