3/5. Jungles are home to 80 per cent of all species, but they cover just two per cent of the planet. When animals in these crowded forests want to mate, how do they stand out? Also in HD. [S,AD,SL]
2/5. The ocean is where life first experimented with the mating game, and over time this has led to some of the most ingenious mating strategies of all. Also in HD. [S,AD,SL]
1/5. The strategies used by animals to find and defend their mates in the grasslands of Namibia, the Serengeti and Australia. Here, mating strategies are on show for all to see. Also in HD. [S,AD,SL]
David Attenborough narrates the fascinating story of some real-life animal romantics. There are show-offs and singers, stories of undercover affairs and heart-warming devotion. Also in HD. [S]
1/10. David Attenborough narrates some real life animal romantics, including a polar bear playing hard-to-get and a lemur who relies on his odour. Also in HD. [S]