Pearl Wellington Archives - Center for Ecosystem Sentinels

A penguin stands on a large rock with a blue sky as a backdrop.

Field updates: Argentina, March 2025

March 31, 2025

Written by Dr. Eric Wagner Thanks once again to generous support from Zoo Augsburg, research scientist Dr. Eric Wagner and computer specialist Pearl Wellington traveled to Punta Tombo in early March for a couple of weeks to mark the end of the breeding season. Eric and Pearl went to deploy twenty geolocating time-depth recorder (GLD) tags to female and male […]

Dr. Eric Wagner, field work, Magellanic penguins, migration, Pearl Wellington, Punta Tombo

Publications

Foot darkening with age in Spheniscus penguins: applications and functions

October 21, 2024

From the abstract: “We found that Spheniscus penguins have pale feet at hatching and the feet become darker with age throughout the lives of individuals. We showed that we can accurately predict the age structure of a colony of Magellanic penguins Spheniscus magellanicus, but not the ages of individual penguins, based on a sample of foot colors.” Authors: Ginger Rebstock,

Dr. Dee Boersma, Dr. Ginger Rebstock, Galapagos penguins, Magellanic penguins, Pearl Wellington, penguins