Elegant Crested Tinamou (Eudromia elegans)

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Image of a Elegant Crested Tinamou in its natural habitat
Birds Tinamou

Introduction

The Elegant Crested Tinamou, Eudromia elegans, is a terrestrial tinamou of open and semi-arid landscapes in southern South America. It belongs to the family Tinamidae and is also known as the Martineta or Martineta Copetona in parts of its range. The species is noted for its elongated black crest, finely patterned plumage, strong running ability and distinctive descending whistle calls. (ww.worldbirdnames.org)

Physical Description

The Elegant Crested Tinamou is a compact, medium-sized ground bird measuring about 38–41 cm in length. Its plumage is predominantly grey, buff, brown and black, with dense spotting and barring that provide effective camouflage in scrub and dry grassland. The head is finely marked, with pale facial and throat areas, while the breast and underparts show darker barring.

Its most distinctive feature is the long, narrow black crest, usually carried backwards and slightly raised. The bill is short, slender and slightly downcurved. The legs are strong and generally greyish to bluish-grey, and the feet have three well-developed forward-pointing toes but no hind toe. Females may be slightly larger or brighter than males, although the sexes are broadly similar in plumage and the species shows little obvious sexual dimorphism. Young birds resemble adults but have softer, less strongly marked plumage. (torontozoo.com)

Range and Habitat

The species is distributed mainly across Argentina, with a smaller range in Chile and range treatments that also include adjacent areas of Bolivia. It is represented by several geographically variable subspecies, with differences in the darkness, barring and spotting of the plumage. The species is generally resident, although local or seasonal movements may occur when food availability changes.

Elegant Crested Tinamous occupy open and semi-arid habitats, including shrub-steppe, dry grassland, savanna, open woodland, arid scrub, exposed hillsides and cultivated areas with suitable cover. They avoid very dense vegetation and tall, closed grassland. The species occurs from near sea level to at least about 2,500 m in parts of its range. (datazone.birdlife.org)

Behaviour and Diet

This is primarily a terrestrial species. It walks and runs efficiently, often moving through low vegetation while searching for food. When alarmed, it may remain still or retreat into cover before resorting to a short, heavy flight. It is often seen alone, in pairs or in small groups, and larger groups may form outside the breeding season.

The diet includes leaves, seeds, fruits, buds and other plant material, supplemented by insects and other small invertebrates. Feeding involves walking, pecking and scratching among soil, litter and low vegetation. The relative importance of plant and animal food varies with season and local availability.

Its vocalisations include clear, melancholy whistles, often descending in pitch. Calls are important for contact between birds and may also be associated with territory and breeding behaviour.

Breeding takes place on the ground. The nest is a shallow depression, usually concealed beneath a shrub or tussock. As in other tinamous, the male incubates the eggs and cares for the young. Females may lay eggs in more than one male’s nest, leaving the incubating male to raise the precocial chicks. The young leave the nest soon after hatching and follow the male while feeding independently. (clasificacionespecies.mma.gob.cl)

Identification Tips

Look for a medium-sized, long-legged bird walking through dry scrub or open grassland rather than flying. The combination of the following features is especially useful:

  • A long, backwards-pointing black crest.
  • Grey-brown plumage densely marked with pale spots and dark barring.
  • Pale facial and throat markings contrasting with a darker, finely patterned head.
  • Strong legs and a short, heavy flight when disturbed.
  • A descending, melancholy whistle that may reveal the bird before it is seen.

In Argentina, it may be confused with smaller quail-like ground birds, but the Elegant Crested Tinamou is substantially larger and has a conspicuous crest, a more uniformly mottled appearance and a distinctive tinamou shape. (sib.gob.ar)

Conservation Status

The Elegant Crested Tinamou is currently assessed as Least Concern on the IUCN Red List. Its broad distribution means that it does not meet the thresholds for a threatened category, although the population is considered to be declining rather than clearly stable or increasing. A global population estimate is not available in the sources used here.

The principal pressures include habitat conversion, agricultural expansion, changes in land use and hunting. Local populations, particularly those at the edge of the species’ range, may be more vulnerable where suitable shrub-steppe and dry grassland are lost or fragmented. Important conservation measures include maintaining native open habitats, managing grazing and cultivation sustainably, protecting breeding areas and enforcing hunting regulations. (datazone.birdlife.org)

Frequently Asked Questions

Where can the Elegant Crested Tinamou be found?

It occurs mainly in Argentina and also in parts of Chile, with some range treatments extending its distribution into adjacent Bolivia. It is most often associated with dry open country rather than dense forest.

How large is the Elegant Crested Tinamou?

Adults are approximately 38–41 cm long. Reported body mass varies geographically, but available husbandry and field sources commonly place adults in the approximate range of 400–800 g.

Can the Elegant Crested Tinamou fly?

Yes. It can fly, but its flight is short, heavy and usually used only when the bird is startled or threatened. It normally escapes by walking or running through vegetation.

What does the Elegant Crested Tinamou eat?

Its diet consists mainly of plant material such as seeds, leaves, fruits and buds, supplemented by insects and other small invertebrates. The balance changes according to season and food availability.

Does the male or female incubate the eggs?

The male incubates the eggs and cares for the young. Females may deposit eggs in the nests of more than one male, a reproductive system characteristic of tinamous.

What is the conservation status of this species?

The Elegant Crested Tinamou is classified as Least Concern globally. Nevertheless, habitat conversion, agricultural development and hunting can affect local populations, so protection of suitable dry grassland and shrubland remains important.

References

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