UK Conservation Status

Britain’s birds are assigned one of three categories of conservation importance – red, amber, or green.

Birds in the red and amber lists satisfy at least one of the criteria listed below. Red species are given the highest priority for conservation with amber the next most important group.

Red list

Globally threatened.
Historical population decline in the UK between 1800 and 1995.
At least a 50% decline in the UK breeding population over the last 25 years.
At least 50% contraction of UK breeding range over the last 25 years.

The Red List

Find out more

Amber list

Species with unfavourable conservation status in Europe.
Historical population decline between 1800 and 1995 but size has more than doubled over last 25 years.
25-49% decline in the UK breeding population over the last 25 years.
25-49% contraction of UK breeding range over the last 25 years.
25-49% decline in the UK non-breeding population over the last 25 years.
1-300 breeding pairs in the UK.
Less than 900 individual non-breeding birds in the UK.
At least 50% of the UK breeding or non-breeding population is in 10 or fewer sites.
At least 20% of the European breeding or non-breeding population is in the UK.

Green list

Species that occur regularly in the UK but do not qualify under any or the above criteria.

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