Red Kite: Conservation Success & Ongoing Welfare Threats

Red Kite: A Conservation Success Story

The red kite (Milvus milvus) is one of British conservation's greatest success stories — brought back from the brink of extinction in Wales and reintroduced across England and Scotland, its populations have recovered dramatically. Yet despite this success, red kite welfare continues to face serious threats that require ongoing vigilance.

Conservation History

Decline: Persecuted to near-extinction in Britain; by the 1970s only a small population remained in mid-Wales.
Welsh population: Maintained by dedicated conservation volunteers and wardens; the longest-running vertebrate protection programme in the world.
Reintroduction: From 1989, birds from Welsh, Swedish, and Spanish populations were reintroduced across England and Scotland; a remarkable programme given only a handful of breeding pairs as source stock.
Current status: ~4,600 breeding pairs in the UK; populations established from Chilterns to Black Isle.

Ecology and Behaviour

Diet: Primarily carrion and earthworms; also small mammals, birds, and invertebrates. The safest scavenger in the British raptor community — less likely than buzzards to take live prey.
Nest: Stick nest decorated with material including plastic and paper — a characteristic trait; reuses traditional nest sites.
Social: Communal roosts in winter at traditional sites of 20-100+ birds.

Ongoing Welfare Threats

Illegal poisoning: The most significant ongoing welfare threat — deliberate poisoning using banned rodenticides (brodifacoum, carbofuran) kills dozens of red kites annually. This is a criminal offence under the Wildlife and Countryside Act 1981.
Lead poisoning: Secondary lead poisoning from ingesting carcasses of shot gamebirds containing lead fragments causes chronic poisoning and death. Transition to non-toxic shot is a welfare priority.
Collision: Power line and vehicle collision causes significant mortality.
Persecution: Shooting and nest disturbance on some estates remains a welfare concern.
Supplementary feeding: While generally positive, feeding sites can cause competition and unusual social dynamics.

Conservation Actions

Partnership Intelligence Coordination (PAI) and RSPB Investigations Team prosecuting poisoning incidents
Raptor satellite tagging programmes detecting suspicious mortality
Lead ammunition transition campaigns (BASC, GWCT)
Public reporting of found dead red kites for poisoning investigation

Key Takeaways

The red kite's recovery is a conservation triumph, but illegal poisoning and lead contamination continue to cause preventable welfare harm and mortality. Maintaining the recovery requires continued vigilance, prosecution of wildlife crime, and the transition to non-toxic ammunition.