Sighting

The earliest known record of a comet sighting was made by an astrologer of the Chinese court in 1059 B.C.

Yanni had his first sighting of a UFO in 2004.

The ivory-billed woodpecker was once the US's largest woodpecker species but the last commonly agreed sighting was in 1944 in Louisiana.

Cougars — also known as mountain lions, pumas and panthers — were once the top predator in the forests of eastern North America, but they were wiped out by the early 1900s due to habitat destruction, hunting and loss of their primary prey, deer. The last confirmed sighting of the big cats was more than 100 years ago, but that hasn't stopped people from looking for them.

The Northern Mockingbird is a common sighting. They live everywhere in the continental United States year-round. They are also present in most of Mexico. This species is not migratory. They can thrive in a variety of habitats which contribute to their success as a species. Shrubland, deserts, and even lawns are suitable for the Mockingbird.

Sierra Leone has pre-positioned pesticides along the border and is asking civilians to notify authorities at the first sighting of black, hairy caterpillars.

There will be a small prize for the first sighting of a seal.

However, many people—including railwaymen—are only beginning to realise how great is the amount of civil engineering work necessary to achieve adequate clearances for high-voltage overhead equipment under bridges and tunnels; what is involved in the re-signalling needed to permit the increased throughput of traffic (in some places it is unavoidable, to afford better sighting of signals obscured by overhead electrical gear); [...].

It’s unclear exactly how many infected rabbits are hopping about, but Colorado Parks and Wildlife has received more than a dozen sightings, mostly in the northern part of the state.