Anas americana

are eaten by

• Global Biotic Interactions: Mareca strepera (Linnaeus 1758)
• Global Biotic Interactions: Mephitis mephitis (Schreber 1776)
• Global Biotic Interactions: Circus cyaneus (Linnaeus 1766) (Tartaranhão-azulado)
• Global Biotic Interactions: Vulpes vulpes (Linnaeus 1758) (Raposa-vermelha)
• Global Biotic Interactions: Taxidea taxus (Schreber 1777)

are host of

• Global Biotic Interactions: Pseudocorynosoma constrictum (Van Cleave 1918)
• Global Biotic Interactions: Pseudocorynosoma constrictum (Van Cleave 1918)
• Global Biotic Interactions: Diorchis bulbodes Mayhew 1929
• Global Biotic Interactions: Pseudobilharziella waubesensis
• Global Biotic Interactions: Tetrameres crami

are parasitized by

• Global Biotic Interactions: Pseudocorynosoma constrictum (Van Cleave 1918)
• Global Biotic Interactions: Diorchis bulbodes Mayhew 1929
• Global Biotic Interactions: Pseudobilharziella waubesensis
• Global Biotic Interactions: Tetrameres crami
• Global Biotic Interactions: Gastrotaenia cygni Wolffhugel 1938

eat

• Global Biotic Interactions: Halodule wrightii Asch.
• Global Biotic Interactions: Ulva lactuca

have ectoparasite

• Global Biotic Interactions: Holomenopon clypeilargum Eichler 1943
• Global Biotic Interactions: Trinoton querquedulae (Linnaeus 1758)
• Global Biotic Interactions: Anaticola crassicornis (Scopoli 1763)

have pathogen

• Global Biotic Interactions: Avian coronavirus
• Global Biotic Interactions: Avian coronavirus
• Global Biotic Interactions: Avian coronavirus
• Global Biotic Interactions: Avian coronavirus
• Global Biotic Interactions: Campylobacter jejuni

prey on

• Global Biotic Interactions: Acteocina inculta (Gould 1855)
• Global Biotic Interactions: Haminoea vesicula (Gould 1855)
• Global Biotic Interactions: Culex tarsalis Coquillett 1896
• Global Biotic Interactions: Aedes taeniorhynchus (Wiedemann 1821)
• Global Biotic Interactions: Salicornia europaea L.