Sightings of Cow/Calf Pairs* 1994 - 2008 Look carefully at these graphs from the annual gray whale calf census. (Click on any graph to see a larger one.) Journal/Discussion Questions Look at the graphs as a whole. What general statement can you make about calf numbers? Why do you think the number of calves varies so much from year to year? Explain what you think might cause a good calf year and a bad calf year. What questions do you have about the data? 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 MORE: How Scientists Think About These Questions Cows and Calves and Ice, Oh My! *All counts are taken from Pt. Piedras Blancas, CA. Data courtesy of Wayne Perryman, Biologist, National Marine Fisheries Service. Search Journey North Copyright 1997-2012 Journey North. All Rights Reserved. Questions or comments? Contact us.