Cape Teal vs African Black Duck
Anas capensis comparado com Anas sparsa
Side-by-Side Comparison
| Atributo | Cape Teal | African Black Duck |
|---|---|---|
| Nome científico | Anas capensis | Anas sparsa |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 38,6 cm (15.2 in) | 49,5 cm (19.5 in) |
| Peso | 423,8333333333333 g (14.95 oz) | 996,8333333333334 g (35.16 oz) |
| Dieta | Dives for molluscs, crustaceans, and aquatic invertebrates; digs in mudflats; diet heavily invertebrate year-round. | Eats molluscs, crustaceans, and aquatic invertebrates; dives in coastal and freshwater habitats; diet heavier in … |
| Tamanho da postura | 5-15 | 4-9 |
| Population Trend | — | — |
Habitat Comparison
Cape Teal
Saline, alkaline, and freshwater lakes and pans across sub-Saharan Africa from the Sahel to South Africa. Strongly associated with soda and saline lakes in East Africa's Rift Valley. Nomadic.
African Black Duck
Fast-flowing rocky rivers and streams, mountain gorges, and waterfalls from sea level to 4,000 m across sub-Saharan Africa from Ethiopia and Kenya south to the Cape. Requires clear turbulent water with boulders.
Song & Call Comparison
Cape Teal
Female gives a soft, nasal quacking series; male produces a high, piping whistle. The male's clear, piping call is unexpected for a teal; heard on Cape and Namibian estuaries.
African Black Duck
Produces a harsh, resonant quacking call; alarm is a loud, emphatic quack repeated rapidly. Both sexes call with strong quacking; pairs duet with synchronized calls along African rivers.
Geographic Range & Migration
Cape Teal
Breeds across the Palearctic; winters on coasts from western Africa around to Southeast Asia and Australia.
African Black Duck
Resident across South and Southeast Asia, from India to southern China and the Philippines. Non-migratory in most of its range.
Estado de conservação
Cape Teal
African Black Duck
How to Tell Them Apart
Cape Teal
Pale gray-brown plumage with fine dark spotting on breast. Pink bill with dark ridge. Iridescent green-and-black speculum with white borders. Pale head. Sexes similar. African saline and alkaline lake specialist.
African Black Duck
Dark blackish-brown plumage with bold white spots on back and scapulars. Iridescent blue-green speculum with white borders. Head dark with pale spots. Bill and legs dark gray. Sexes similar. Fast-flowing …
About These Birds
Cape Teal
Marreco-do-Cabo de 35–40 cm, comum nos pântanos da África subsaariana, com padrão de plumagem marrom pintalgada.
African Black Duck
O pato-negro-africano é um pato dabbling de tamanho médio das correntes de montanha e rios do leste e sul da África. Tem plumagem preta com barras brancas visíveis no peito e flancos. Habita rios de correnteza rápida com margens rochosas, geralmente em altitudes mais elevadas. É menos dependente de zonas húmidas abertas do que a maioria dos patos dabbling. É encontrado em florestas ribeirínhas e paisagens de savana com rios adequados. É uma espécie residente e não migratória.