Spyhopping

Behavior in which a whale raises its head above the surface of the water to look around.
Found on https://www.encyclo.co.uk/local/21698

spyhopping

Cetacean behavior of raising the head vertically out of the water, then sinking with minimal splash.
Found on http://www.dolphincharters.com/glossary.html

Spyhopping

Raising the head vertically out of the water, then sinking below the water without a splash. Used to check an area for hazards.
Found on http://www.encyclo.co.uk/local/21699

Spyhopping

Raising the head vertically out of water, then sinking below the surface without much splash.
Found on http://www.sci.tamucc.edu/tmmsn/29Species/glossary.html

Spyhopping

When whales and dolphins raise their heads vertically out of the water.
Found on http://www.nmfs.noaa.gov/pr/glossary.htm
No exact match found