Montagu's Harrier

MONTAGU'S HARRIER Cirus pygargus A.

Passage migrant, rare.  Former breeding bird.

4 accepted records since last confirmed successful breeding in 1964:

4). 2019, 1st June: Alaw estuary – 2nd calendar year male. (S&RBiW 2019 p18).

3). 2011, 2nd May – 4th: Ty Mawr, Holyhead Mountain – male.  (S&RBiW 2011 p10). 

2). 1979, 18th April – 5th May: Malltraeth – Female. (Cambrian Bird Report 1979 p17).

1). 1972, 26th April: Newborough forest – a male on passage. (Cambrian Bird Report  1972 p16).

References prior to 1972 - all (Birds of Anglesey 2004 p209).

• ·                1964, June: Newborough – 2, 2 chicks fledged, last successful year. 

• ·                1961, June – month only: Cefni Estuary/Newborough Warren/ Newborough - 2.

• ·                1957, year only: Cefni Estuary/Newborough Warren/ Newborough - 5 pairs nested. 

• ·                1956, June – month only: Cefni estuary - Pair nested, but 2 pairs seen Malltraeth. 

• ·                1953, June - month only: Cefni estuary – Pair. 

• ·                1952, June - month only: Cefni estuary – Pair. 

• ·                1951, June - month only: Newborough – Pair nested. 

• ·                1950, June - month only: Newborough – 2 males. 

• ·                1949, year only: Newborough – 3 pairs nested. 

• ·                1948, year only: Newborough – 2 pairs nested.

• ·                1945, 23rd June: Newborough – Pair nested.