Hydroprogne caspia . Breeding . Caspian terns are susceptible to nest disturbance by people, their dogs, and off-road vehicles. Caspian Tern colonies are especially vulnerable to disturbance during the early courtship and incubation stages, during which human visitation results in the flushing of the whole colony, potentially leading to nest or colony abandonment (Cuthbert and Wires 1999 per Shuford and Craig 2002).

The effect of disturbance during research activities has been well quantified, with activities such as ringing and … Caspian Tern: This large stocky tern has pale grey upperparts and white … خطاف. In flight, the tail is less forked than … Current Locations . Scientific Name . Frequent. Conservation Status. Threats and conservation. They are considered "least concern" by the … Localized breeder. Nests in colonies of up to 250 pairs, usually on Bubiyan and Warba but has also nested on … Arabic Name . Threats and conservation. With funding support from the … Skip to secondary content . Recordings . They have a white head with a black cap and white neck, belly and tail. Caspian Tern (Simon Price) Caspian Terns . 53.0 cm. The conservation status for this species is "Amber' in the UK because it is a species of concern in Europe. Width . Length . SUMMARY. Southern black-backed gulls and red-billed gulls may attack eggs and chicks following disturbance by people. In Kuwait. Family . Some of the 2014 satellite tagging team boating at Potholes Reservoir, Washington State. Populations in North America have largely increased because of measures taken to protect breeding areas and habitat. Like other shore-nesting birds, chicks and eggs are vulnerable to predation by introduced mammalian predators such as cats, stoats and ferrets. An Investigation of Avian Biology, Conservation, and Management. Information. Other resources Links to additional Caspian Tern … Gulls - Terns - Skimmers. Caspian terns are susceptible to nest disturbance by people, their dogs, and off-road vehicles. Caspian Tern (Hydroprogne caspia) has very few known occurrences in the state and is of the highest priority for conservation; ... Conservation measures include controlling public access to the nesting colonies to minimize disturbance, eliminating predators from colony sites, and monitoring all potential nesting habitat, especially dredge spoil islands. Caspian terns breed in … F367; A765; A752; A795; E604; Caspian Tern Biology; Contact Us ; About the Project. It is most likely to occur from May to September. الخرشنة القزوينية . Conservation Status. Southern black-backed gulls and red-billed gulls may attack eggs and chicks following disturbance by people. Caspian tern populations have declined in some parts of their range, especially in Europe and Africa where some populations have been extirpated. The upper wings and back are pale grey; the underwings are pale with dark primary feathers. Caspian terns breed in … Overview. Resident. Common resident; breeds. News and Updates; About the Project; Meet the Birds . Like other shore-nesting birds, chicks and eggs are vulnerable to predation by introduced mammalian predators such as cats, stoats and ferrets. Skip to primary content . In the UK, Isle of Man, and Ireland, the Caspian Tern is a very rare migrant with around five records per year on average. Conservation Description. 135.0 cm. The Caspian tern is faring relatively well. However, they are considered threatened in some states, including Michigan. Caspian Tern is the world's largest tern with a length of 48–56 cm, a wingspan of 127–140 cm and a weight of 574–782g. Breeding . Kuwaiti name . Adult birds have black legs, and a long thick red-orange bill with a small black tip.