About Lissotis hartlaubii (Heuglin, 1863)
Size and Weight
A mature Hartlaub's bustard (scientific name: Lissotis hartlaubii (Heuglin, 1863)) reaches around 60 centimeters (24 inches) in length, with recorded body weights ranging from 1,500 to 1,600 grams (1.5 to 1.6 kilograms).
Similarity to Related Species
From a distance, individuals cannot be distinguished from the related species L. melanogaster, as their appearance is very similar.
Male Plumage
Males have an overall grayish coloration, with a more distinct black stripe on the face, plus a black stripe that runs down the neck and connects to the black belly.
Body Structure
This species has a small head placed on a long neck, a bulky body, and large legs.
Female Plumage
Females have a similar overall appearance to males, but their head and hind neck are cream-colored with dark brown markings, their belly is whitish, and their tail is paler.
Flight Appearance
When in flight, Hartlaub's bustard displays less black in the wings, and has a black rump.
Geographic Range
Hartlaub's bustard has a relatively restricted range within the Horn of Africa.
Movement Patterns and Distribution
It is both sedentary and nomadic, and can be found year-round in Ethiopia, southeastern Sudan, eastern South Sudan, northwestern and southern Somalia, northeastern Uganda, northwestern and southern Kenya, and northern Tanzania.
Primary Habitats
In general, the species favors various bushy habitats, including light woodland, thorn country, high scrub, and tall grass cover in dense savanna or on the fringes of water bodies.
Elevation and Grassland Habitats
It can also live in open, tall grassland with scattered Acacia, at elevations up to 1,600 meters (5,200 feet).
Regional Habitat Variations
In Kenya, Hartlaub's bustard occupies lower, drier environments than L. melanogaster, while in Ethiopia, it can be found up to 2,000 meters (6,600 feet) elevation, in Acacia fields and short-grass savanna.
Anti-Predator Strategy
Compared to other bustard species, Hartlaub's bustard uses a contrasting behavioral strategy that is thought to balance improved concealment against the increased risk of ambush.
Take-Off Ability
As a smaller bustard species, it is more skilled at rapid take-off when a close-range threat is detected.
Sexual Dimorphism
The species shows moderate sexual size dimorphism, where females are proportionately smaller and lighter than males.
Male Display Flight
Recorded evidence shows that male Hartlaub's bustard performs a distinctive display flight: they ascend steeply to a height of 15 to 20 meters (49 to 66 feet), then glide downward with wings held in a shallow V and legs trailing behind.
Feeding Habits
Hartlaub's bustard is omnivorous and highly opportunistic in its feeding habits, and eats both animal matter (invertebrates and small vertebrates) and vegetation.