One of the most recent sightings was reported on June 1, following 11 in 1997.

There have been recent sightings in this area, state officials say.

Recent sightings received wide press coverage in 2006 and 2007.

There are few recent sightings and the total population is estimated to number 50 to 249 individuals.

He has continued to question viewers of more recent sightings.

The most recent sighting had taken place on the outskirts of the city.

Most of recent sightings have occurred along the Japanese coast.

Until its recent sightings, it was believed to have become extinct in the last 500 years.

The most recent sighting was in 1977 by Indonesian fishermen.

It is probably extinct in Singapore, as no recent sightings have been made.