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Eared dove

life science Maturity 5-7 Next article →

The eared dove, known scientifically as Zenaida auriculata, is a New World dove species. These birds are important residents of South America, ranging from Colombia to southern Argentina and Chile. They also inhabit offshore islands from the Grenadines southward. Some scientists believe they may have recently colonized islands like Tobago and Trinidad. The eared dove is part of a superspecies. This group includes the North American mourning dove and the Socorro dove. The Galápagos dove may also be part of this group. While the Socorro dove comes from ancestral mourning doves, the Galápagos doves come from more ancient stock.

Eared dove (Zenaida auriculata antioquiae) Caldas
Eared dove (Zenaida auriculata antioquiae) Caldas

Physically, the eared dove has a long, wedge-shaped tail. Adult males possess olive-brown plumage on their upper parts. They also feature black spots on their wings. The head of a male has a grey crown and a black line behind the eye. There is also blue-black color on the lower ear coverts. These black markings are why the bird has its English and specific names. The underparts are vinous, which is a pinkish color. The tail is tipped with cinnamon. The bill is black and the legs are dark red.

Rolinha avoante, ou parari (do tupi paîrary). Zenaida auriculata. - 55015616873
Rolinha avoante, ou parari (do tupi paîrary). Zenaida auriculata. - 55015616873

Females and young birds look different from adult males. The female is generally duller in appearance. Immature birds are greyish-brown and look very dull. They often have pale barring on their feathers. The species makes a specific call that sounds like a deep, soft "oo-ah-oo."

These doves are often found in savannahs and open areas. They also live in cultivated lands and human habitats. You can see them on wires or telephone posts near towns in Venezuela and Trinidad. They inhabit almost all public spaces in large urban areas like Bogotá, Colombia. They even feed near beach resorts in Tobago. Their diet consists mainly of seeds and grain taken from the ground. During certain seasons, they may eat only agricultural plants. These include wheat, rice, sorghum, maize, and soybeans. They also eat seeds from common grasses like Echinochloa colona.

Eared dove (Zenaida auriculata antioquiae) Caldas
Eared dove (Zenaida auriculata antioquiae) Caldas

To supplement their diet, eared doves sometimes eat animal foods. This includes caterpillars, insect pupae, aphids, and snails. When they are not feeding, they are gregarious birds. This means they like to live in groups or flocks. They form large flocks during migration or at communal roosts. Their flight is high, fast, and direct. It features regular wing beats and occasional sharp wing flicks. They also perform a breeding display. During this display, the bird makes a steep climb and then a semicircular glide back to its perch.

Reproduction for the eared dove happens quite often. They build small nests made of sticks several meters up in trees. A female lays two white eggs in the nest. These eggs hatch in 12 to 14 days. After hatching, it takes about 9 days for the chicks to reach the fledging stage. In most of their range, there is no fixed breeding season. If they have plenty of food and habitat, they can breed almost continuously.

In some regions, the population of eared doves is enormous. In the Córdoba region of northern Argentina, there are massive numbers of these birds. Recent estimates suggest there may be 32 million doves in these fields. This scale of bird population is similar to the passenger pigeons of North America. However, the eared dove appears more resilient than the extinct passenger pigeon. In Argentina, they are called palomas doradas because their feathers can shine. In Bolivia, near the soy and sorghum plantations of Santa Cruz de la Sierra, they are called totaky.

EareddoveDSC03794 240813 buenosaires
EareddoveDSC03794 240813 buenosaires

Large-scale hunting occurs in these areas. In Córdoba, the doves do not migrate. Instead, huge flocks fly constantly between roosting woods and open fields. In Bolivia, the shooting is more seasonal from May to September. During this time, large flocks arrive from Argentina to feed on grain crops. These birds have shown a great ability to thrive in large feeding grounds. This resilience has allowed their populations to grow significantly in recent decades.

EareddoveDSC03794 240813 buenosaires
EareddoveDSC03794 240813 buenosaires
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File:Eared dove (Zenaida auriculata antioquiae) Caldas.jpg
Eared dove (Zenaida auriculata...
File:Zenaida auriculata -Uruguay -adult and chicks-8 (5).jpg
Zenaida auriculata -Uruguay -adult and...
File:EareddoveDSC03794 240813 buenosaires.jpg
EareddoveDSC03794 240813 buenosaires.jpg
File:Rolinha avoante, ou parari (do tupi paîrary). Zenaida auriculata. - 55015616873.jpg
Rolinha avoante, ou parari (do tupi...
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