claim: Species distribution can be understood through factors such as river capture and available resources.
evidence: Alexander Hardinge Patrick Hore-Ruthven -LRB- 30 August 1913 -- 24 December 1942 -RRB- was a British soldier and poet .. He was born in Quetta in Pakistan , the only surviving child of Alexander Hore-Ruthven and Zara Eileen nee Pollok .. Quetta. Quetta. Alexander Hore-Ruthven. Alexander Hore-Ruthven, 1st Earl of Gowrie. Zara Eileen nee Pollok. Zara, Countess of Gowrie