Research

The Seal Conservancy has been documenting seal counts and flushing incidents at Casa Beach since September of 2012. We have published four volumes of harbor seal census data and related research about the Casa Beach rookery.  Our research is available at the links below:

View Seal Count Statistics in Real Time

Harbor Seal Births by Year at Casa Beach 2008 to 2024

Harbor Seal Births by Year at Casa Beach 2008 to 2024 (Graph)

High Counts of Seals on the Beach by Month, September 2012 to September 2021

Annual High Counts of Seals on the Beach, September 2012 to September 2021 (Graph)

Year to Year Comparison of Average Number of Seals on the Beach by Month, September 2012 to September 2021

Annual Average Number of Seals on the Beach, September 2012 to September 2021 (Graph)

Flushing Incidents, September 2012 to December 2018

Police Calls Down 91% when Casa Beach is Closed During Pupping Season

Summary of Seal-Related Calls for Police Service at Casa Beach During Pupping Season, 2011 – 2022

San Diego Police Department calls for Service at Casa Beach / Children’s Pool, January 2006 – May 2022

Average Number of Seals Flushed Per Day, Rope vs No Rope

Casa Beach Harbor Seal Counts, January 1 – December 31, 2018

Casa Beach Harbor Seal Counts, January 1 – December 31, 2017

Casa Beach Harbor Seal Counts, January 1 – December 31, 2016

Casa Beach Harbor Seal Counts, January 1 to December 31, 2015

Casa Beach Harbor Seal Counts, May 18, 2014 to December 31, 2014

Casa Beach Harbor Seal Census September 1, 2013 to May 31, 2014

Casa Beach Harbor Seal Census September 1, 2012 to August 31, 2013

Casa Beach Harbor Seal Flushing Incident Details September 1, 2012 to January 23, 2015

Harbor Seal Facts

Facts about the Casa Beach Rookery

Seal Viewing Tips for Visitors to Casa Beach

Harbor Seal Facts + Rookery Facts + Seal Viewing Tips

Facts about the California Sea Lion Starvation Crisis of 2013-2015