: Marine biologists studying the Deraniyagala's beaked whale used a set of 11 photographed sightings to build a profile for identification, comparing morphology against genetically confirmed individuals. Conservation Case Studies
The number "11" often appears in time-series data reflecting population trends and seasonal migrations. 11. Sightings
: Studies of the Black-winged stilt noted an onset of observations in October with exactly 11 sightings, marking the start of their seasonal presence in specific wetlands. : Marine biologists studying the Deraniyagala's beaked whale
: In studies conducted at Shark Bay , a threshold of 11 sightings was used to identify individuals (such as dolphins) consistent enough for inclusion in social network and genetic analysis. 11. Sightings