Seabirds are a taxonomically varied group that depend on the marine environment for at least part of their life cycle.  350 species (3.5% of all bird.

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Presentation transcript:

Seabirds are a taxonomically varied group that depend on the marine environment for at least part of their life cycle.  350 species (3.5% of all bird species)  Top-predators  Can cover large foraging distances  Typically long living and monogamous  Have a late onset of reproductive age and small clutch size  Loyal to their breeding site

 As top-predators, they play an important structural role in the marine eco-system  Indicators of the health of the marine ecosystem…

Low density surface waters Inhibition of vertical mixing Inhibition of vertical nutrient flow Decline in plankton Decline in krill and fish Declines in top- predators, including seabirds

BirdLife International, 2012

Human activities

© Ross Wanless

Kim Hansen – Creative Commons

Chris Jordan

Jay Penniman -

BirdLife Malta

© John J. Borg

Scopoli’s Shearwater Calonectris diomedea  4500 pairs – 5% of the global population*  Colonies at Ta’ Cenc, Filfla and the cliffs on the south of Malta  ‘Vulnerable’

Yelkouan Shearwater Puffinus yelkouan  pairs – 10% of the global population  Colonies at Rdum tal- Madonna and the western and south- western cliffs of Malta and Gozo  ‘Vulnerable’

European Storm Petrel Hydrobates pelagicus melitensis  pairs – 50% of the global population*  Colonies at Filfla  ‘LC’…but declining

BirdLife International, 2012

© Benjamin Metzger

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 Croxall, J.P.; Butchart S.H.M.; Lascelles, B.; Stattersfield A.J.; Sullivan B.; Symes, A. & Taylor, P. (2012). Seabird conservation status, threats and priority actions: a global assessment. Bird Conservation International, 22, 1–34.  Sangster, G.; Collinson, J.M.; Crochet, P.A; Knox, A.G.; Parkin, D.T. & Votier, S.C. (2012). Taxonomic recommendations for British birds: eighth report. Ibis, 154(4), DOI: /j X x  Seabirds are key indicators of the impact of climate change on the world's oceans.  Native birds on Gough Island are being devastated by house mice.  Longline fishing effort overlaps with foraging hotspots for seabirds.  Offshore wind farms are impacting seabirds and migrating passerines.  Seabirds suffer from eating "junk“.  Malta pioneering seabird research! seabird-research/  EU LIFE+ Malta Seabird Project.