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David Grant



Research output per year

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Personal profile

Area of academic expertise - outline

I am a seabird ecologist with an interest in the occurrence of antimicrobial resistance in seabirds, particularly gulls of the Lairidae species.  My work involves the capture, colour marking and release of seabirds on islands within the Clyde Basin, with a special focus upon Lady Isle, near Troon.  I also have considerable experience with a variety of wild birds from passerines to large gulls, using both traditional and novel methods of capture (as approved by the British Trust for Ornithology).  I am a licenced 'A' ringer and trainer for the BTO.  My work has involved the use of various microbiological techniques to determine presence of bacteria in faecal samples taken from birds, including Minimum Inhibitory Concentration (MIC) Sensititre plates for determining resistance/sensitivity to antibiotics.

Current research activities

My current research focus is on investigating prevalence of Extended Spectrum Beta Lactamase (ESBL) producing E.Coli within gulls, in the Clyde Basin area.  This is being developed to look at the resistance profile to antibiotics within gull species and location, with a specific focus upon the Herring Gull (Larus argentatus), a partial migratory species, and Lesser Black-backed Gull (Larus fuscus), a species that undertakes full migration post breeding season.

Desired research direction

The goal of my research is to investigate the potential relationship between antimicrobial resistance in wild birds and humans and livestock.  A greater understanding of the prevalence of antimicrobial resistance in seabirds will potentially assist with future management strategies of seabird colonies and the interaction between wildbirds and humans/livestock.

Target collaborative organisations

Glasgow University, SRUC (Scotland's Rural College)

External positions

Committee member, Ayrshire Birds Rarities Committee

2017 → …

Wetland Bird Survey Co-ordinator , British Trust for Ornithology

2003 → …


  • QH301 Biology
  • Wild birds
  • Sea birds
  • Gulls
  • RA0421 Public health. Hygiene. Preventive Medicine
  • Antimicrobial resistance
  • ESBL producing E.Coli

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Research Output

Earthworms in the diet of herring gulls (Larus argentatus) breeding on an off-shore island

Pennycott, T. W., Grant, D. & Nager, R. G., 6 Aug 2020, In : Bird Study. 67, 1, p. 131-134 4 p.

Research output: Contribution to journalArticle

  • The status of breeding gulls on Lady Isle, Ayrshire, 2012

    Grant, D., Robertson, D., Nager, R. & McCracken, D., 31 Dec 2013, In : Scottish Birds. 33, 4, p. 298-307 10 p.

    Research output: Contribution to journalArticle

  • Monitoring wild Greenfinch (Carduelis chloris) for Salmonella enterica typhimurium

    Grant, D., Todd, P. A. & Pennycott, T., 1 Jul 2007, In : Ecological Research. 22, 4, p. 571-574 4 p.

    Research output: Contribution to journalArticle

  • 5 Citations (Scopus)


    • 1 Participation in workshop, seminar, course
    • 1 Types of External academic engagement - Contribution to the work of national or international committees and working groups

    Ayrshire Birds Records Committee

    David Grant (Member)

    2017 → …

    Activity: OtherTypes of External academic engagement - Contribution to the work of national or international committees and working groups

    Home Office Personal Licence Training Course

    David Grant (Invited speaker)

    2010 → …

    Activity: Participating in or organising an eventParticipation in workshop, seminar, course