A bee-eater perches on a twig in Morigaon district, India's northeastern state of Assam, on Sept. 19, 2021. (Str/Xinhua)

Bee-eaters perch on an electric wire in Morigaon district, India's northeastern state of Assam, on Sept. 19, 2021. (Str/Xinhua)

Bee-eaters perch on an electric wire in Morigaon district, India's northeastern state of Assam, on Sept. 19, 2021. (Str/Xinhua)

Bee-eaters perch on a branch in Morigaon district, India's northeastern state of Assam, on Sept. 19, 2021. (Str/Xinhua)

来源：Xinhua