Thayer's Gull (thayeri)
(last update: January 22, 2013)
Table 3. Known or probable identities of 'Iceland gulls' and 'herring gull' from nine Royal Navy and one Hudson's Bay Co. explorations of Arctic Canada, 1818-59.
Belongs to the paper:
Hybridization and changes in the distribution of Iceland gulls
(Larus glaucoides/kumlieni/thayeri),
by D. N. Weir, A.C. Kitchener and R. Y. McGowan,
IN: J. Zool., Lond.(2000) 252, 517-530.
| Voyage | Locality | Date | Taxa (a) | n | Sex | Age (b) | Museum | Comments (c) | References (d) |
| Ross First, 1818 | Davis Strait | July 1818 | G | 1 | . | A | NMGM | From series used to distinguish G from H | 14, 16, 20 |
| Parry First, 1819-20 | Davis Strait, Baffin Bay, Melville I. | . | G + S | > 1 | . | . | . | . | 11, 15 |
| . | Melville I. | 6 June 1820 | ?G | 1 | . | . | . | . | 5 |
| Parry Second, 1821-24 | Duke of York Bay, Southampton I. | August 1821 | S | 1 | . | J | (NMS) | . | 4, 6 |
| . | Igloolik I. | Sept 1821 | S | 1 | F | A | (NMS) | . | 7 |
| . | NE Melville Peninsula | June-Sept 1822 | S | 6 | . | A | NMS - 4 | . | 6, 11, 19, contra 2, 8 |
| Parry Third, 1823-25 | Prince Regent Inlet | . | ? S | > 1 | . | . | . | . | 4, 12 |
| Ross Second, 1829-32 | Prince Regent Inlet | . | G | > 1 | . | . | . | Mixed colony with H above G | 13, 16, 17 |
| Back, 1836 | route to Repulse Bay | . | S | 1 | . | A | (NHM) | . | 18 |
| Rae, 1855 | Repulse Bay | . | S | 1 | . | A | (NHM) | . | 18 |
| McClure, 1850-54 | Devon I. | 1852 | T | 2 | . | A, J | . | Originally identified as S, but T nests there now | 9 |
| Collinson, 1853 | NW Prince Albert Land | 1853 | T | 1 | M | A | NHM | . | 3, 18 |
| . | SE Cambridge Bay | 1853 | G/T | 3 | . | E | NHM | . | 1, 3, 10 |
| M'Clintock, 1857-59 | Bellot Strait | 1859 | G | 2 | . | A | NMI | Re-feathering brood patches | 21 |
| . | Bellot Strait | 1859 | T | 1 | . | J | NMI | . | 4, 21 |
| . | Bellot Strait | 1859 | K | 1 | . | J | NMI | Identification uncertain | 21 |
(a) =
Taxa: G, glaucoides; S,smithsonianus; T, thayeri; K, kumlieni; H,L. hyperboreus.
(b) =
Age: A, adult; J, juvenile; E, egg.
(c) =
Specimens deposited in museums; acronym as Table 2; specimen lost if acronym in parentheses.
(d) =
References: (1) Bent, 1921; (2) Dwight, 1925; (3) Feilden, 1879a; (4) Godfrey, 1986; (5) Griffiths, 1821; (6) MacGillivray, 1824; (7) MacGillivray, 1852; (8) MacPherson, 1961; (9)
M'Cormick, 1854; (10) Oates, 1901; (11) Richardson, 1931; (12) Ross, 1826; (13) Ross, 1835; (14) Sabine, 1819; (15) E. Sabine, 1824; (16) Solomonsen, 1950; (17) Solomonsen, 1967;
(18) Salvin, 1896; (19) Stenhouse, 1930; (20) Taverner, 1933; (21) Walker, 1860a.