Denham's Bustard vs Ludwig's Bustard

Denham's Bustard

Neotis denhami

Huge4.0 kgGrassland

Denham's bustard is the largest species in the genus Neotis, although is smaller than the bustards in the genus Ardeotis (as well as the great bustard). The male is 9 to 10 kg (20 to 22 lb) and 100–116 cm (39–46 in), the female is much smaller at 3 to 4 kg (6.6 to 8.8 lb) and 80–87 cm (31–34 in). The back is brown, darker and plainer in the male, and the underparts are white. The neck is pale grey with an orange nape. Its grey crown is bordered with black, and a black line runs through the eye with a white line forming an eyebrow above. The long legs are pale yellow.

ID text from Wikipedia, CC BY-SA 4.0

Photo: William Stephens · CC BY 4.0

Ludwig's Bustard

Neotis ludwigii

Huge3.3 kgShrubland

The Ludwig's bustard can weigh from 3 to 7.3 kg (6.6 to 16.1 lb), with a mean of 6.3 kg (14 lb) for the much larger male and 3.4 kg (7.5 lb) for the female. Length ranges from 76 to 85 cm (30 to 33 in) in females and 80 to 95 cm (31 to 37 in) in males. The bird's face and front neck are coloured grey-brown while the back of the neck and face is white. The nape of the neck is coloured a dull orange. Females and juveniles vary from the male adults by their smaller size and slightly lighter coloured front neck and face. Voice: The mating call of the Ludwig's bustard is a deep 'bloop' noise. Not a lot of more specific information on the vocalizations of this species is available.

ID text from Wikipedia, CC BY-SA 4.0

Photo: Mahomed Desai · CC BY 4.0

Photos and recordings are credited to their authors under the licence shown. Full profiles: Denham's Bustard and Ludwig's Bustard.