Oceanography
Gray whale approaches boat, asks man to remove lice from head
Gray whales learn to approach tourist boats to ask humans to remove itchy lice from their skin.
Mark Carwardine
Browse ScienceInfo articles and explainers related to Mark Carwardine.
Topic archive
Articles about Mark Carwardine
2 published items.
Photo library
Close up of the biggest animal in the world
Mark Carwardine, a BBC natural photographer, has been wandering the oceans for months searching for giant blue whales ...