Balık Terin. Builds a floating nest of plant matter. Autumn birds have grey upperparts white underparts and distinctive black head markings.
Autumn birds have grey upperparts white underparts black head markings. As black terns breed in wetlands on floating rafts of plant matter the reduction of water level due to droughts and water abstraction for domestic and agricultural use represents a significant threat to the species due to loss of breeding habitat. The loss of rafts used for breeding represents a source of lost reproductive success as shown by increases in breeding.
Adult black tern kornwerderzand the netherlands 15 september 2007.
European race summers in europe and western asian and winters on the west coast of africa. Except in the breeding season black terns are pale gray on top and white on the underside with a dark patch on their. The black tern chlidonias niger is a small tern generally found in or near inland water in europe and north america. Adult black tern kornwerderzand the netherlands 15 september 2007.