The Kadalundi Bird Sanctuary lies in kadalundi grama panchayat of Kozhikode district and vallikunnu Grama Panchayat of Malappuram district in Kerala, India. It spreads over a cluster of islands where the Kadalundipuzha River flows into the Arabian Sea. The Sanctuary hill is around 200 metres (660 ft) above sea level. It is located 19 kilometres (12 mi) away from the Kozhikode city centre.

Over a hundred species of native birds have been recorded in the sanctuary, including about 60 species of migratory birds which visit seasonally; these include terns, gulls, herons, sandpipers and cormorants. Notable species are whimbrels and brahminy kites. The sanctuary is well known for a wide variety of fish, mussels and crabs. Some species of snakes, cobras, vipers and kraits also live here.

• Vallikkunnu
• Malappuram district
• Eranad
• Parappanangadi
• Chaliyar river
• Kadalundi river

• 
  Kadaludi River
• 
  Kadalundi River
• 
  On the Bridge
• 
  Butterfly
• 
  Visiting VIP
• 
  The river
• 
  Kadalundy Mosque
• 
  Kite in Kadalundi
• 
  The border between Malappuram and Kozhikode districts

• From Kerala Tourism Department site
• Kadalundi Bird Sanctuary
• Kadalundi Bird Sanctuary

11°07′52″N 75°49′44″E / 11.131°N 75.829°E / 11.131; 75.829