Previously Undocumented Long-Finned Pilot Whale (Globicephala melas) Placental Expulsion in Coastal Waters of Shetland, United Kingdom.

The article describes the first documented observation of placental expulsion by a long-finned pilot whale, which was captured on video by an unmanned aerial system (UAS) in coastal waters of the Shetland Isles, Scotland, United Kingdom. Topics include examines the advent and development of UAS technology provides novel opportunities to observe and document biologically significant events that are challenging to observe via boat or from land.