Formosan sika deer to about 300 m elevation. Sika, like many deer, prefer areas of mixed forest, scrub, and open land. Under natural conditions the low-lying alluvial plain that stretches from present-day Taipei along the west coast almost to the southern tip of the island were prime deer habitat and natural populations would have been quite dense. Sika populations in Taiwan have been heavily influenced by human activity for the past four hundred years. Until the early 17th century the human population of Taiwan was low and comprised mostly Austronesian peoples who had been living on the island for thousands of years. During
Sika Manu he was named in the final 24-man Kiwi squad and was part of the team that went on to win the tournament. In 2013 Sika, through his Tongan heritage, he made his début for Tonga in their Pacific Rugby League International clash with fierce Pacific rivals Samoa. Later in the year Sika represented Tonga in their unsuccessful 2013 Rugby League World Cup campaign. He played in all 3 of Tonga's matches, scoring two tries. He scored both of his tries in New Zealand's nail-biting 2 point defeat by Scotland (unfortunately the only defeat of their World Cup campaign which ultimately