Pirjo Mäkeläinen

A comparison of pigmentation features among North Atlantic killer whale (Orcinus orca) populations

F. Samarra, G. Víkingsson, A. Foote, 2014, Journal of the Marine Biological Association of the United Kingdom.

Fluctuating Asymmetry in the Saddle Patch Shape of the Pacific Ocean Killer Whale (Orcinus orca) Populations

A. V. Ginneken, H. Pietiäinen, Pirjo Mäkeläinen, 2013 .

VARIATION IN EYE-PATCH SHAPE OF KILLER WHALES (ORCINUS ORCA) IN NEW ZEALAND WATERS

Pirjo Mäkeläinen, I. Visser, 2000 .