Ancient DNA reveals that the ‘extinct’ Hunter Island penguin (Tasidyptes hunteri) is not a distinct taxon

Radiocarbon-dating and ancient DNA reveal rapid replacement of extinct prehistoric penguins

(2015) Nicolas J. Rawlence et al.   QUATERNARY SCIENCE REVIEWS

Coalescent Modelling Suggests Recent Secondary-Contact of Cryptic Penguin Species

(2015) Stefanie Grosser et al.   PLoS One

Using ancient DNA to study the origins and dispersal of ancestral Polynesian chickens across the Pacific

(2014) Vicki A. Thomson et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

The Basal Penguin (Aves: Sphenisciformes) Perudyptes devriesi and a Phylogenetic Evaluation of the Penguin Fossil Record

(2010) Daniel T. Ksepka et al.   BULLETIN OF THE AMERICAN MUSEUM OF NATURAL HISTORY

THE FIORDLAND CRESTED PENGUIN EUDYPTES PACHYRHYNCHUS

(2008) John Warham   IBIS

Relict or colonizer? Extinction and range expansion of penguins in southern New Zealand

(2008) S. Boessenkool et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES