:00:00. > :00:08.I'm Jenny, live with all the news you need to know this Sunday.
:00:09. > :00:14.Thousands of athletes and officials from 71 nations and territories have
:00:15. > :00:18.spent the past 12 days bringing the Commonwealth Games to life, and
:00:19. > :00:25.The Lightning Bolt was back with a bang, helping to set a new Games
:00:26. > :00:28.record, in the 4 by 100m relay final, before celebrating in style
:00:29. > :00:34.And diving sensation, Tom Daley, held
:00:35. > :00:36.on to his ten metre platform title, with this amazing performance.
:00:37. > :00:42.It's the 20-year-old?s third commonwealth gold.
:00:43. > :00:45.Tomorrow marks 100 years since Britain declared war on
:00:46. > :00:47.Germany. Ricky's going to be bringing you a
:00:48. > :00:52.frontline. Today, he's been finding out about some unusual recruits,
:00:53. > :00:59.that did their bit for the war effort.
:01:00. > :01:05.Around the world, millions of men were recruited to
:01:06. > :01:10.As they travelled to the battlefields of Europe,
:01:11. > :01:12.women at home took on their jobs in factories,
:01:13. > :01:23.The British army deployed more than one million horses and mules
:01:24. > :01:26.during the conflict, their hard work shouldn't be underestimated.
:01:27. > :01:30.Many of them were used to move around artillery, general supplies,
:01:31. > :01:36.Dogs played crucial roles in the First World War.
:01:37. > :01:41.In fact, they came to be just as dependable as soldiers.
:01:42. > :01:44.Many were used to deliver vital messages, find wounded soldiers
:01:45. > :01:51.Some even helped to sniff out enemy spies.
:01:52. > :01:54.Pigeons were also used as messengers.
:01:55. > :01:57.They flew long distances quickly, delivering military orders to
:01:58. > :02:03.And one of the most bizarre creatures who came to help
:02:04. > :02:06.the soldiers, in the sometimes very dark trenches, were glow worms.
:02:07. > :02:09.They'd collect them in jars in their thousands,
:02:10. > :02:12.and then at night, when they'd glow, they were able to study maps
:02:13. > :02:23.At night, their glow is visible, even from as far away as 20 yards.
:02:24. > :02:26.Away from the frontline, even zoo animals were put to work.
:02:27. > :02:28.The government wanted to show everyone was helping out.
:02:29. > :02:31.This elephant, from Sheffield Zoo, was used to pull heavy loads,
:02:32. > :02:33.instead of the British horses that were on the battlefields of Europe.
:02:34. > :02:36.Millions of animals were relied upon by both
:02:37. > :02:41.But like the men sent to fight, the price they paid was high.
:02:42. > :02:45.8 million horses alone had died by the end of the war, as a result of
:02:46. > :02:47.the extreme conditions at the front - exhaustion, injury and disease.
:02:48. > :02:54.But the efforts of animals in WW1 were never forgotten.