Multiple Swans Die from Bird Flu in Cardiff’s Roath Park 2026

Key Points

• Bird flu (H5N1 avian influenza) confirmed in Roath Park, Cardiff, after post-mortem tests on multiple dead swans.
• At least five mute swans discovered dead near the park’s lake over the past week.
• Public Health Wales issues alert advising avoidance of dead wild birds and contact with wildfowl.
• No human cases reported, but high pathogenic strain poses risks to poultry and wild birds.
• Cardiff Council closes affected lake areas for cleaning and biosecurity measures.
• Experts link outbreak to ongoing UK-wide H5N1 surge since late 2025.
• Similar incidents reported in nearby Newport and Swansea lakes.
• Defra and Welsh Government coordinate response with mandatory reporting for farmers.
• Roath Park, a popular recreation spot, sees visitor warnings amid peak winter bird activity.
• Historical context: Roath Park previously hit by bird flu in 2022 with three swan deaths.

Inverted Pyramid News Story****

Roath (Cardiff Daily) February 17, 2026 – Bird flu has been confirmed in Roath Park after multiple swans were found dead in the lake, prompting immediate public health warnings and site closures. Tests by the Animal and Plant Health Agency (APHA) identified the highly pathogenic H5N1 strain in at least five mute swans recovered over the past seven days. Authorities urge residents to avoid touching dead birds as the outbreak raises concerns in this bustling Cardiff beauty spot.

What Caused the Swans’ Deaths in Roath Park?

As reported by Dr. Emily Harper of Natural Resources Wales (NRW), post-mortem examinations revealed “classic H5N1 avian influenza pathology in the lung tissues of the mute swans.” The birds, a familiar sight on Roath Park Lake, showed signs of respiratory distress and neurological symptoms before death. NRW veterinarians conducted the autopsies at their Aberystwyth laboratory, confirming the results on February 15.

Cardiff Council’s parks team first spotted three dead swans on February 10, followed by two more by February 14. “We acted swiftly to cordon off the western shore of the lake,” stated Cllr. Llinos Medhurst, Cardiff’s cabinet member for culture, parks, and events. The council notified APHA immediately, adhering to mandatory disease reporting protocols under the Welsh Animal Health Regulations.

This marks the second bird flu incident at Roath Park, echoing a 2022 outbreak where three swans succumbed to the virus. Back then, as detailed in APHA’s annual wildlife report, rapid intervention limited spread to wild birds only.

How Serious Is This Bird Flu Outbreak?

The H5N1 strain circulating since 2021 remains highly lethal to wild birds, with global mortality exceeding 50% in infected populations. In the UK, over 500 wild bird deaths were logged in Wales alone last year, per Defra’s epidemiological summaries. “This is part of a sustained epizootic affecting waterfowl across Europe,” explained Prof. Ian Brown, APHA’s chief veterinary officer, in a January 2026 briefing.

No poultry flocks within 3km of Roath Park have reported issues, but 10km surveillance zones are active. Welsh Government mandates biosecurity upgrades for farms, including wild bird deterrents. Public risk remains low, with zero human transmissions from wild birds in Wales to date, according to Public Health Wales (PHW).

PHW’s Dr. Keith Harding emphasised: “Wash hands thoroughly after outdoor activities and report dead birds via our hotline. Cooking poultry kills the virus.” Similar outbreaks hit Newport’s City Pond (four geese dead, February 12) and Swansea’s Singleton Park (seven ducks, February 9), as covered by NRW field reports.

What Measures Are Authorities Taking?

Cardiff Council deployed cleansing teams on February 16, using approved disinfectants on lake edges. “Signs are up, and we’re monitoring live swans for distress,” said parks manager Rhys Owen. NRW ecologists installed netting to deter further wildfowl gatherings.

Defra’s 2026 avian influenza plan activates, including genomic sequencing to track variants. “We’re tracing migratory paths from Iceland’s pink-footed geese influx,” noted wildlife epidemiologist Sarah Jenkins of the RSPB Wales. Farmers must register flocks online within 24 hours of suspicion.

Historical data shows containment works: In 2023’s Powys outbreak, culls prevented farm spill-over. Roath’s 2022 response saw no secondary cases after lake treatment.

Is Bird Flu a Threat to Humans Nearby?

PHW assesses human risk as “very low” for this wild bird event. “H5N1 requires close, prolonged contact, unlike seasonal flu,” Dr. Harding clarified. Globally, 889 human cases occurred since 2003, mostly from poultry, per WHO updates.

Locals like jogger Maria Khalid reported: “I walk here daily, but now I’m steering clear of the water’s edge.” Cafes near the park remain open, with council advice on hygiene.

Veterinarians warn pet dogs against consuming dead birds, citing fatal 2025 cases in England.

Why Is Roath Park Vulnerable?

Roath Park Lake attracts overwintering migrants, amplifying risks. “Dense swan populations and stagnant water favour transmission,” Prof. Brown observed. Climate shifts extend migration, prolonging exposure, as per NRW’s 2025 climate-bird flu review.

The park’s Scott Memorial Island hosts nesting sites, now under drone surveillance. “We’ve reduced feeding to curb congregations,” Cllr. Medhurst added.

Comparable Welsh sites like Cosmeston Lakes (Barry) lost 12 birds in 2024 under similar conditions.

What Should Cardiff Residents Do?

• Avoid wild birds and dead animals; report via APHA’s helpline (01508 019619).
• Shun untreated lake water for pets.
• Maintain poultry biosecurity if rearing.
• Stay updated via gov.wales/avian-flu.

NRW’s Harper urged: “Enjoy parks safely—observe from distance.” Community groups like Friends of Roath Park echo vigilance without panic.

Broader Impact on Welsh Wildlife?

Wales tallied 1,200 wild bird flu deaths in 2025, ravaging gulls and raptors too. “Populations may rebound, but barn owls face long-term hits,” RSPB’s Jenkins warned. Conservationists push wetland buffers.

EU-wide, 2026 sees elevated alerts post-2025 dairy cow jumps. UK exports face scrutiny, though Welsh poultry output holds steady.

Looking Ahead: Prevention Steps?

Experts call for 3km wild bird buffers around farms. “Invest in radar for migration tracking,” Prof. Brown proposed. Cardiff eyes solar-powered sensors for parks.

As winter thaws, surveillance intensifies. “Spring breeding could reset flocks,” Harper hopes.