Table 1.

Average annual percent (and absolute) changes in the abundances of Adélie and chinstrap penguins from breeding colonies in the Western Antarctic Peninsula and Scotia Sea region

Area/Region	Adélie	Chinstrap
Admiralty Bay	−2.3 (−13,787)	−2.5 (−4,255)
South Sandwich Islands	−3.9 (−20,000)	−4.4 (−3,715,000)
South Orkney Islands	−4.5 (−482)	−1.9 (−18,066)
South Shetland Islands*	−2.0 (−7,247)	−2.7 (−21,809)
Western Antarctic Peninsula	−2.5 (−20,439)	−0.17 (−35)†
Overall	−2.9 (−61,955)	−4.3 (−3,759,165)

Averages are weighted by absolute changes in abundance and are limited to colonies with a minimum of 10 y between the first and last counts.

*Not including data from Admiralty Bay.

^†Not including data from the Palmer Long-Term Ecological Research Program.