Some birdwatchers study seabirds only occasionally, when on the coast as part of a general birdwatching hobby.
Birds are an appropriate taxonomic group to use in the context of tourist preferences for biodiversity, because they are conspicuous, easily identifiable, and international birdwatching tours are increasing in popularity.
Many activities still take place on or near the river—rowing, walking, cycling, tourism, transport, fishing, birdwatching and swimming.
They would be put in what is known in birdwatching terms as "a hide".
This can cover a wide range, from sailing, pony-trekking, mountaineering and skiing to archaeology, birdwatching, potholing and underwater exploration.
Birdwatching and natural history are synonymous with recreation.
It is even considering charging for birdwatching.
Devices that amplify and transmit sound can be used for entirely innocuous purposes including birdwatching, monitoring the sleep of children or aiding those whose hearing is impaired.
