Flip Nicklin / Narwhal (Monodon monoceros) male surfacing, Canadian Northwest Territories

Flip Nicklin / Narwhal (Monodon monoceros) surfacing, Baffin Island, Nunavut, Canada

Flip Nicklin / Narwhal (Monodon monoceros) males sparring over carcass of dead female, Baffin Island, Canada

Flip Nicklin / Narwhal (Monodon monoceros) group in ice break, Baffin Island, Nunavut, Canada

Flip Nicklin / Narwhal (Monodon monoceros) group of males, Baffin Island, Nunavut, Canada

Flip Nicklin / Narwhal (Monodon monoceros) males, Lancaster Sound, Baffin Island, Canada

Yumiko Wakisaka / Narwhal (Monodon monoceros) female

Yumiko Wakisaka / Narwhal (Monodon monoceros) male

Flip Nicklin / Narwhal (Monodon monoceros) fluke of diving whale, Baffin Island, Northwest Territories, Canada

Flip Nicklin / Narwhal (Monodon monoceros) harvested by subsistence hunters, Baffin Island, Northwest Territories, Canada

Flip Nicklin / Narwhal (Monodon monoceros) pod in lead in pack ice, Baffin Island, Northwest Territories, Canada

Flip Nicklin / Narwhal (Monodon monoceros) meat hauled by Inuits, Baffin Island, Canada