| IDCARD | A card or badge used to identify the bearer (2,4) |
| SHELLS | Outer layers of oological objects whose colours are used to identify the avians which laid them (6) |
| TICKET | Derived from a French word that is also the source of "etiquette", a card or slip, such as a travel pass (6) |
| SPOTTERS | Hobbyists who observe birds, trains etc, or books used to identify the latter; A&R scouts; or, supervisors of weightlifters or gymnasts (8) |
| ASKING | Like getting a card or requesting it (6) |
| TRADEMARK | The name or other symbol used to identify the goods produced by a particular manufacturer (9) |
| GALTON | Polymath cousin of Charles Darwin who coined the alliterative phrase "nature versus nurture" and was the first to show how fingerprints could be used to identify individuals (6) |
| EMBLEM | A heraldic device or badge (6) |
| HOLDER | Does he become the bearer of 21ac (6,6) |
| POLICY | Does he become the bearer of 21ac (6,6) |
| COOKIE | Web file used to identify a user (6) |
| GANNET | Get the girl in to identify the bird |
| PLAICE | One brought in to identify the origin of a fish (6) |
| WEBS | Gossamer or silken nets with patterns that can be used to identify the spiders that spun them (4) |
| SYMBOL | Emblem or badge (6) |
| FINGER | Handy way to identify the guilty person |
| GRID | - reference; system of numbers and letters used to identify the position of features on Ordnance Survey maps (4) |
| SPOT | Mark used to identify the species of ladybird eg. two___, seven-___, twentytwo-___, and so on (4) |
| LABELS | Tags or badges? |
| LAUGH | An act of cachinnation, aka a cackle, chortle or crow; or, a card or comic, likely to evoke such a chuckle (5) |
