Abundant Antarctic Adelie and Chinstrap Penguins

Question

Abundant Antarctic Adelie and Chinstrap penguins
A) Have been steadily increasing in recent years, owing to increased conservation measures
B) Are not heavily dependent on krill and therefore can survive on diverse food sources
C) Are confined to small areas in the Ross Sea
D) Are both in steep decline since the 1970s

Accepted Answer

Adelie and Chinstrap penguins have both been in steep decline since the 1970s, largely due to climate change affecting their primary food source, krill, and other environmental pressures.