Experts: Dolphin Sightings May Mean L.I. Sound Is Cleaner

SMITHTOWN, N.Y. (AP) -- Experts say recent bottlenose dolphin sightings could indicate that water quality has improved in Long Island Sound.

Mona Rivera reports

Experts say it's been at least 30 years since they'd seen bottlenose dolphins in the Sound in the summertime.

The first sightings were Thursday off Glen Cove. They reappeared again Monday. A smaller group was spotted off City Island, in the Bronx.

The dolphins were chasing fish -- a sign the water is well-stocked with herring.

Hofstra University biology professor Chris Sanford says the real test will come next year. If the dolphins return, Sound waters may be clean enough to sustain a population.

TM & Copyright 2009 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO & EYE Logo TM & Copyright 2009 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. TheAssociated Press contributed to this report.

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