Two black-tailed prairie dogs appear to kiss while grooming in North Dakota, America
Two polar bears (Ursus maritimus) play in Churchill, Manitoba, Canada
Two flamingos form a heart shape at the zoo in Suzhou, China
Barred owls (Strix varia) appear to kiss
Two meerkats (Suricata suricatta) snuggle up
Two lions (Panthera leo) seem to show affection
Mute swans (Cygnus olor) form a heart shape during their courtship display, Buckinghamshire
Two Alpine marmotts seem to kiss on a mountain in Austria
Two Cape ground squirrels (Xerus inauris) 'kissing' in the Kgalagadi Transfrontier Park, South Africa
Southern Elephant Seals (Mirounga leonina) lying together on Sea Lion Island, Falkland Islands
Galapagos sea lion (Zalophus wollebaeki) mother and pup resting on sand, Seymour Island, Galapagos, Ecuador
King penguin (Aptenodytes patagonicus) pair in courtship, Falkland Islands
Pair of Lovebirds (Agapornis sp)
Gourami (Helostoma temmincki) fish kissing; they do this to gauge strength and establish hierarchy
Two cockatoos are in the pink
Two blue budgies pucker up (or should that be pecker up?)
