Aythya ferina

Zarro-comum, macho - Common Pochard, male - Aythya ferina (Algarve, Portugal)
Zarro-comum - Pochard - Aythya ferina (Algarve, Portugal)
Zarro comum, macho - Common Pochard, male - Aythya ferina (Algarve, Portugal)
Zarro-comum - Common Pochard - Aythya ferina (Algarve, Portugal)
Zarro-comum, macho - Common Pochard, male - Aythya ferina (Algarve, Portugal)
Zarro-comum, macho - Common Pochard, male - Aythya ferina (Algarve, Portugal)
Zarro-comum, macho - Common Pochard, male - Aythya ferina (Algarve, Portugal)