Nature on Instagram: "Pink tide invasion! This mesmerizing aerial view reveals millions of lesser flamingos transforming a Kenyan lakeshore—likely Lake Nakuru in the Rift Valley—into a flowing river of rose-colored feathers, shimmering under the sun as they feed on nutrient-rich algae. These nomadic birds, the world's most abundant flamingo species with populations of 2-4 million (sometimes up to 6 million), congregate in massive flocks at soda lakes where spirulina blooms tint their plumage tha