Críalo europeo

Identification

The great spotted cuckoo is slightly larger than the common cuckoo, measuring 35–39 cm in length, but appears considerably more imposing in flight thanks to its broad wings and long narrow tail. Adults are grey above with a slender body, grey cap, and grey wings, contrasting with a yellowish face and upper breast and white underparts. Both sexes are similar in appearance. Juveniles are distinctly different, displaying blackish upperparts and cap with chestnut primary wing feathers. In flight, this species exhibits a characteristic magpie-like movement that can aid identification.

Range & Habitat

The great spotted cuckoo is widely distributed throughout Africa and the Mediterranean Basin. It inhabits warm, open country with scattered trees, making it a bird of semi-arid and Mediterranean landscapes where suitable vegetation provides both hunting grounds and host nests.

Behaviour & Diet

As a brood parasite, the great spotted cuckoo lays its eggs in the nests of corvids, particularly the Eurasian magpie, exploiting these birds to raise its young. Unlike the common cuckoo, neither the hen nor the hatched chick evicts the host's eggs, though young magpies often perish through competition for food with the growing cuckoo chick.

The species feeds on insects, spiders, small reptiles, and notably hairy caterpillars—food items distasteful to many other birds but within its specialised diet. Intriguingly, great spotted cuckoo chicks secrete a repellent scent when predators threaten, protecting themselves and sometimes benefiting host chicks by deterring attacks from birds of prey and feral cats. The bird announces itself with a loud, distinctive call described as cher-cher-kri-kri and its variations.

Best Time & Places to See It

Look for this species in warm, open habitats with scattered trees throughout Africa and the Mediterranean Basin. The presence of corvid populations, particularly magpies, indicates suitable habitat where great spotted cuckoos are most likely to be found.

Photography Tips

The bird's striking appearance—grey and yellow adult plumage or blackish and chestnut juvenile plumage—photographs well in good light. Its magpie-like flight pattern offers dynamic shooting opportunities. Patient observers watching corvid nests during breeding season may capture the interesting interactions between cuckoo chicks and their hosts, though ethical photography practices should always be observed around active nests.