These are the answers to Wildlife crossword 19.
ACROSS
6 Whitethroat
9 Boll
10 Loganberry
11 Storksbill
15 Wasp
17 Biota
18 Nest
19/13 Elf owl
20 Royal jelly
24 Guinea worm
26 Fern
27 Guelder rose
DOWN
1 Phalarope
2 Stilts
3 Stag
4 Prunella
5 Hazel
7 Coot
8 Prawns
12 Ivory
14 Angelfish
16 Allium
17 Barnacle
21 Lemurs
22 Lark
23 Snout
25 Open
Main image: Storksbill plant growing in the wild in the UK. © Sandra Standbridge/Getty
This crossword originally appeared in BBC Wildlife Magazine. Take a look inside the current issue and find out how to subscribe.