| 01 Bird found |
| 02 Ring only found |
| 03 Leg & ring only found |
| 06 Found on ship |
| 07 Attracted to domestic animals |
| 09 Ring caused recovery |
| 10 Shot |
| 11 Found shot |
| 12 Crop protection – shot |
| 13 Nature conservation – shot |
| 14 Public safety – shot |
| 15 Shot for plumage/skin/science |
| 16 Shot because of ring |
| 19 Hunted |
| 20 Intentionally taken |
| 21 Caged |
| 22 Crop protection |
| 23 Nature conservation |
| 24 Public safety |
| 25 Scientific investigation |
| 26 Taken because of ring |
| 27 At nestbox/artificial site |
| 28 Metal ring read in field (bird not caught) |
| 28a Metal ring read from the photo (bird not caught) |
| 30 Oil victim |
| 31 Discarded human materials |
| 32 Human artefact |
| 33 Nets to protect crops |
| 34 Trap set for other species |
| 35 Electrocuted |
| 36 Radioactivity |
| 37 Poisoned: poison identified |
| 38 Poisoned: poison not identified |
| 40 Road casualty |
| 41 Railway casualty |
| 42 Aircraft casualty |
| 43 Hit wires |
| 44 Hit glass |
| 45 Hit man-made structure |
| 46 Entered building |
| 47 Dazzled by lights |
| 48 Active human enterprise |
| 49 Artificial water container |
| 50 Injured |
| 51 Malformation |
| 52 Fungal infection |
| 53 Viral infection |
| 54 Bacterial infection |
| 55 Endoparasites |
| 56 Botulism |
| 57 Red Tide |
| 58 Sick |
| 59 Veterinary report available |
| 60 Taken by animal |
| 61 Taken by cat |
| 62 Taken by domestic animal |
| 63 Taken by wild mammal |
| 64 Taken by owl or raptor |
| 65 Taken by predatory bird |
| 66 Taken by bird |
| 67 Taken by a conspecific |
| 68 Taken by reptile, amphibian or fish |
| 69 Taken by other animals |
| 70 Drowned |
| 71 Tangled in natural object |
| 72 In natural hole |
| 73 Collision with natural object |
| 74 Cold weather |
| 75 Hot weather |
| 76 Poor condition |
| 77 Iced in |
| 78 Violent weather |
| 81 Identified from leg ring(s) (in the field) |
| 81a Identified from leg ring(s) (from the photo) |
| 82 Identified from neck ring(s) (in the field) |
| 82a Identified from neck ring(s) (from the photo) |
| 83 Identified from wing tags (in the field) |
| 83a Identified from wing tags (from the photo) |
| 87 Identified from bill (nasal) tags (saddles) (in the field) |
| 87a Identified from bill (nasal) tags (saddles) (from the photo) |
| 88 Identified from flight feathers (in the field) |
| 88a Identified from flight feathers (from the photo) |
| 89 Identified from body painting (in the field) |
| 89a Identified from body painting (from the photo) |
| 91 Found dead at site of wind turbine |
| 99 Unknown |