What is the fine-grained topic of the following text: The radiation of the entire living diversity of hierofalcons seems to have taken place in the Eemian interglacial at the start of the Late Pleistocene, a mere 130,000-115,000 years ago; the Laggar Falcon represents a lineage that arrived at its present range out of eastern Africa by way of the Arabian Peninsula which during that time had a more humid climate than today. Only return the topic.
Evolution and migration of hierofalcons during the Eemian interglacial period.