已知两曲线参数方程分别为$\left\{\begin{array}{l}x=\sqrt{5}\cos \theta \\ y=\sin \theta \end{array}\right.\left(0\le \theta <\mathrm{\pi }\right)$和$\left\{\begin{array}{l}x=\frac{5}{4}{t}^2\\ y=t\end{array}\right.\left(t\in R\right)$，它们的交点坐标为．