seabird abundance has dropped 69.7% in just 60 years

It's very bad news for the world's seabird populations.

A new paper: 

Population Trend of the World’s Monitored Seabirds, 1950-2010

• Michelle Paleczny ,
• Edd Hammill ,
• Vasiliki Karpouzi,
• Daniel Pauly                                                                                                                                              published in 

• Published: June 9, 2015
• DOI: 10.1371/journal.pone.0129342

 tells us that many global seabird populations have experienced massive declines.

See: http://www.theguardian.com/environment/radical-conservation/2015/sep/22/after-60-million-years-of-extreme-living-seabirds-are-crashing for an overview, and go to http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0129342 for the actual paper.