Now, this once-dreamed-of fantasy “The Wonderful Adventures of Nils” has become a reality. Through the integration of traditional bird banding and cutting-edge miniature wildlife tracking devices Read more

The Iceland Whooper Swan has been intensively studied through a long-term life history study undertaken by the Wildfowl & Wetlands Trust (WWT) in collaboration with Read more

The Interior Population (IP) of trumpeter swans were extirpated in the 19 th century and has been re-established to the western Great Lakes area of North America via translocations Read more

Mute swans (Cygnus olor) are an important symbol of the city of Lincoln in the UK, dating back to the rebuilding of Lincoln cathedral in 1185 Read more

The recent decades have seen the Bewick’s swan wintering distribution in Europe slowly shifting in northeastern direction Read more

The project aims to estimate the survival of adult and juvenile Bewick’s Swans as depending on the marking method.  Read more

Communities in the Russian Arctic are leading the way in international efforts to conserve the Northwest European Bewick’s Swan (Cygnus columbianus bewickii).  Read more

The odyssey of the Bewick’s Swan – another route to Greece

After almost 20 years of surveying the impressive increase in the number of Bewick’s Swans wintering on the Evros Delta (Greece), from a first observation of 25 birds in February 1997 to a peak at 8,400 individuals during February 2016, there is much puzzlement about their breeding grounds and migration route. Read more

Population regulation in Bewick’s Swan

Density-dependent population regulation in Bewick’s Swan in Chukotka. Read more

Bewick’s Swan Action Plan

A species action plan for the NW European population of Bewick’s Swan. Read more

Changing demographics in Bewick’s Swans

Numbers of Bewick’s Swans wintering in northwest Europe declined by almost 40% between 1995 and 2010, but the causes are unclear. Read more

Mute Swan grazing in chalk streams

Thanks to their abundant aquatic plants the chalk streams of southern and eastern England are an ecosystem of high conservation value, especially for invertebrates and fish. Over recent decades, fisheries and conservation interests have become concerned that the foraging by Mute Swans (Cygnus olor) on aquatic plants degrades the habitat of invertebrates, fish and other animals. Read more

Tracking Projects

Serial development of wind farms along migration routes are an important consideration in determining the potential cumulative effect of these developments on populations, but the extent to which both offshore and onshore wind farms occur along migration routes has received relatively little attention. Read more

Addressing the Bewick’s Swan decline

In 2014, the Wildfowl & Wetlands Trust (WWT) launched the successful ‘Hope for Swans’ appeal to fund an ongoing research programme to investigate the causes of the population decline. This programme will draw together Bewick’s Swan researchers from across different range countries. Read more