These are the answers to Wildlife crossword 13.

ACROSS

6 Two-toed

7 Onion

9 Rail

10 Greenfinch

11 Electric

13 Animal

15 Glen

17 Serin

18 Oryx

19 Joshua

20 Bluebell

23 Palaeozoic

26 Moas

27 Drill

28 Arizona

DOWN

1 Coelacanth

2 Conger

3 Edge

4 Mountain

5 Kiwi

6 Trail

8 Nectary

12 Carob

14 Iron bamboo

16 Leopard

17 Sea holly

21 Urchin

22 Liana

24 Acid

25 Opal


Main image: Bluebells. © Rebecca Gibson

This crossword originally appeared in BBC Wildlife Magazine. Take a look inside the current issue and find out how to subscribe.