Leslie Street Spit

IBA Justification

The site was identified as important in 2008 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
Ring-billed Gull Larus delawarensis LC breeding 1986 55,000 breeding pairs A4i
A4iii Species group - waterbirds n/a breeding 1984 50,000-99,999 breeding pairs A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2008).


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Forest Temperate deciduous -
Shrubland Scrub -
Wetlands (inland) Riverine sand beaches, Freshwater lakes & pools, Freshwater marshes & swamps, Cliffs, rocky shores & islets (freshwater) -
Artificial/Terrestrial Urban parks & gardens -
Other -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
nature conservation and research -
tourism/recreation -
urban/industrial/transport -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Leslie Street Spit. Downloaded from on 29/11/2023.