| HAWAIIANGOOSE | Also known as the nene, the national bird of the US state where the Ironman World Championships have |
| HAWAII | With the capital Honolulu (birthplace of Barack Obama), the US state where the Ironman World Championship is held annually (6) |
| RHODEISLANDREDS | Breed of chickens named after the US state where they were bred in the late 19th Century (5,6.4) |
| EAGLE | Bald -, national bird of the US (5) |
| BALDEAGLE | National bird of the US (4,5) |
| OKLAHOMA | US state where the first letter of the capital city matches the first letter of the state (8) |
| DELAWARE | US state where the first letter of the capital city matches the first letter of the state (8) |
| INDIANA | US state where the first letter of the capital city matches the first letter of the state (7) |
| INADA | Oldest man to finish the Ironman World Championship and first person in the 85 to 89 category to finish the race, Hiromi ___ |
| MONAL | With striking rainbow-coloured plumage, the national bird of Nepal, where it is known as the danphe (5) |
| JAN | Three-time winner of the Ironman World Championship, ___ Frodeno |
| OAHU | Birthplace of the Ironman World Championship |
| KONA | Hawaii locale of the Ironman World Championship |
| PEACOCK | The male of the national bird of India; the butterfly Aglais io; or, the novelist who wrote Headlong Hall, Nightmare Abbey and Crotchet Castle (7) |
| OHIO | Midwestern US state where the 411-metre-long prehistoric effigy mound known as the Great Serpent Mound is located (4) |
| JOHN | They started the Ironman World Championship in 1978, ___ and Judy Collins |
| MASSACHUSETTS | The Bee Gees will remember this US state where the lights went out the day she was left standing on |
| HOOPOE | A crested bird with salmon-coloured plumage and black-and-white wings, chosen as the national bird of Israel in 2008 (6) |
| PEACOCKS | Sacred to the Greek goddess Hera, the males of the national birds of India (8) |
| PAVO | Constellation named after the Latin name of the national bird of India (4) |
