1 Bubbles/Katie van Dyck;
2 Robertharding.com/Sylvain Grandadam;
3 Rex Features/Erik Pendzica;
4 Robertharding.com;
5—7 Desmond Morris;
8 Travel Ink/Kevin Nicol;
9 ImageState/AGE Fotostock;
10 Paul Doyle;
11 Rapho/Laurence Kourcia;
12 Moviestore Collection;
13 Rex Features/Munawar Hosain;
14 Moviestore Collection;
15 Hutchinson Picture Library/Philip Wolmuth;
16 Impact/Michael Mirecki;
17 Paul Doyle;
18 Hutchinson Picture Library/Kerstin Rodgers;
19 Sportsphoto/David Gadd;
20 Desmond Morris;
21 Network/JB Pictures/J Sartore;
22 Retna/Jenny Acheson;
23—24 Desmond Morris;
25 Impact/Yann Arthus Bertrand with Fuji Film;
26 Frank Lane Picture Agency/P Cauli/Pando Photos;
27 Impact/Simon Shepheard;
28 Rex Features/Michael Friedel;
29 Robertharding.com/Sylvain Grandadam;
30 Rapho/Daniel Riffet;
31 Retna/Kampfher.com;
32 Robertharding.com;
33 Rex Features;
34 Sportsphoto/Mark Lilly;
35 Express Syndication/Jonathan Buckmaster;
36 Sportsphoto/Richard Sellers;
37 Sportsphoto/David Gadd;
38 Desmond Morris;
39 Colorsport;
40 Hutchinson Picture Library/Carlos Freire;
41 Frank Spooner Pictures/Bruno Madjih;
42 Travel Ink/Colin Marshall;
43 Robertharding.com/Michael Busselle;
44 Rex Features/Ray Tang;
45 Frank Spooner Pictures/Gamma/Frangois Lochon;
46 Colorsport/Andrew Cowie;
47 Rex Features/Nils Jorgensen;
48 Anthony Moore;
49 Rex Features/Nils Jorgensen;
50 Moviestore Collection;
51 Impact/Steve Parry;
52 Colorsport;
53 Impact/Mark Cator;
54 NHPA/Martin Harvey;
55 NHPA/George Bernard;
56 Rex Features/Mark Campbell;
57 Magnum Photos/Ferdinando Scianna;
58 Food Features;
59 Robertharding.com;
60 Desmond Morris;
61 Katz Pictures/Valerie Macon/Rea.