Lesser Ground Cuckoo vs Levaillant's Cuckoo

Lesser Ground Cuckoo

Morococcyx erythropygus

Medium65 gShrubland

The lesser ground cuckoo is 25 to 28 cm (9.8 to 11 in) long. Males weigh about 58 to 66 g (2.0 to 2.3 oz) and females about 56 to 76 g (2.0 to 2.7 oz). Females are somewhat paler than males but otherwise do not differ. They have a slightly decurved bill with a blackish brown maxilla and an orange mandible. Their face is intricately patterned, with a bright yellow ring around the eye with bare blue skin behind it and thin black lines surrounding the area, a short indistinct whitish stripe above the eye, and cinnamon ocracous cheeks. Voice: The lesser ground cuckoo's song has been described as "a series of 10 or more loud rolling or trilling notes...usually introduced by 2–3 clear, ascending whistles" and as "loud, rich, rolled whistles, suggesting a referee's whistle...prree,...prree,....prree, prree-prree-prreeprree ... prree, prree, prree,....prree,.........prree".

ID text from Wikipedia, CC BY-SA 4.0

Photo: Giovana A. Valencia · CC BY 4.0

Levaillant's Cuckoo

Clamator levaillantii

Medium122 gGrassland

The cuckoo is 37.5 cm (15 in) long, longer tailed than pied cuckoo, and with a more heavily streaked throat. There are two colour morphs. The light morph is black above, faintly glossed bluish or greenish. The throat streaking may extend on to the sides. The primaries and rectrix tips are white. The dark morph is black except for the white primary patch and white spots on the outer tail feathers (these are absent in dark pied cuckoo.

ID text from Wikipedia, CC BY-SA 4.0

Photo: Derek Keats from Johannesburg, South Africa · CC BY 2.0

Photos and recordings are credited to their authors under the licence shown. Full profiles: Lesser Ground Cuckoo and Levaillant's Cuckoo.