AR256
Monte León


IBA Justification

The site was identified as important in 2022 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:
Species Red List1 Season Year(s) Size IBA criteria
Magellanic Penguin Spheniscus magellanicus LC breeding 2015-2016 42,057-47,665 breeding pairs A4, B3a
Red-legged Cormorant Poikilocarbo gaimardi NT breeding 2017 40 individuals B1a, B3a
Imperial Shag Leucocarbo atriceps LC breeding 2019 7,500 breeding pairs B3a
Dolphin Gull Larus scoresbii LC non-breeding 2016 150 individuals B3a
A4iii Species group - seabirds n/a breeding 2015-2019 999,467 individuals B3b

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2022) may differ.


IBA Protection

Year Protected Area Designation % overlap with IBA
1986 Isla Monte Leon Reserva Provincial 1
2004 Monte León Parque Nacional 100
2004 Monte León Reserva Nacional 10


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Monte León (Argentina). Downloaded from https://datazone.birdlife.org/site/factsheet/monte-león-iba-argentina on 23/11/2024.