Petrel extinction in Macaronesia (North-East Atlantic Ocean): the case of the genus Pterodroma (Aves: Procellariiformes: Procellariidae) Author Rando, Juan C. Departamento de Biología Animal, Universidad de La Laguna (ULL), E- 38206 La Laguna, Tenerife-Canary Islands, Spain Author Pieper, Harald Ulmenstrasse 21, D- 24223 Schwentinental, Germany Author Pereira, Fernando Centre for Ecology, Evolution and Environmental Changes (Ce 3 C) and Azorean Biodiversity Group, Universidade dos Açores, Rua Capitão João d’Ávila, Pico da Urze, 9700 - 042 Angra do Heroísmo, Terceira, Açores, Portugal Author Torres-Roig, Enric Institut Mediterrani d'Estudis Avançats (CSIC-UIB, Center of Excellence María de Maeztu), Ctra. Valldemossa km 7.5, 07122 Palma - Balearic Islands, Spain Author Alcover, Josep Antoni Institut Mediterrani d'Estudis Avançats (CSIC-UIB, Center of Excellence María de Maeztu), Ctra. Valldemossa km 7.5, 07122 Palma - Balearic Islands, Spain & Affiliated Researcher ad Honorem of CSIC, Institut Mediterrani d'Estudis Avançats (CSIC-UIB, Center of Excellence María de Maeztu), Ctra. Valldemossa km 7.5, 07122 Palma - Balearic Islands, Spain jaalcover@imedea.csic-uib.es text Zoological Journal of the Linnean Society 2024 2024-10-25 202 2 1 15 https://doi.org/10.1093/zoolinnean/zlae123 journal article 306805 10.1093/zoolinnean/zlae123 24f93626-60bf-4b47-ac00-e2c1648256a4 0024-4082 14544813 2E1B731-EFAB-4791-A5F3-C32775EB6AE0

Table 3. Measurements of Pterodroma long bones from the Azores. Data of Pterodroma zinorum and Pterodroma sp. B from the islands of Graciosa, São Jorge, Pico, São Miguel and Terceria. Sample size, mean length ± standard error (mm), and range are given.Measurements as in Rando (2002).

	Pt. zinorum	Pt. zinorum	Pt. zinorum	Pt. zinorum	Pt. zinorum	Pterodroma sp.B	Pterodroma sp. B	Pterodroma sp. B Pterodroma sp. B		Pterodroma sp. B
	Graciosa	São Jorge	Pico	São Miguel	Terceira	Graciosa	São Jorge	Pico	São Miguel	Terceira
Humerus length	(23) 74.3 ± 1.9		(22) 72.9 ± 1.2	(1) 74.1	(1) 73.9	(8) 84.9 ± 1.8	(3) 88.4 ± 0.9	(4) 88.4 ± 0.6	(3) 89.6 ± 0	(1) 89.9
	78.0–70.1		75.8–70.5			87.2–81.4	89.4–87.3	89.0–87.4	89.7–89.6
Ulna length	(9) 76.0 ± 1.8	(1) 72.7	(13) 75.5 ± 1.6	(1) 76.8	(1) 75.5	(5) 86.4 ± 1.9		(6) 92.1 ± 0.8	(4) 92.4 ± 1	(2) 92.5 ± 1.2
	77.8–72.2		78.7–72.8			89.7–84.0		93.3–91.0	94.1–91.3	93.7–91.3
Carpometacarpus	(16) 37.3 ± 0.7		(22) 36.6 ± 0.8	(1) 37.5	(2) 37.9 ± 0.1	(19) 42.3 ± 1	(3) 44.1 ± 1.1	(8) 44.2 ± 0.5	(2) 44.9 ± 0.3	(2) 44.5 ± 1.4
length	38.2–35.2		38.3–35.3		37.9–37.8	44.8–40.7	45.5–4 2.8	44.9–43.3	45.2–44.6	45.9–43.1
Femur length	(16) 27.6 ± 0.8		(10) 26.6 ± 0.7			(2) 31.6 ± 0.3	(1) 30.4	(2) 32.5 ± 0.4		(1) 29.9
	29.2–26.1		27.5–25.6			32.0–31.3		32.9–32.1
Tibiotarsus length	(5) 50.7 ± 0.9		(11) 49.3 ± 1.2			(3) 56.7 ± 1.4		(1) 57.6	(1) 56.7	(1) 56.1
	52.3–49.5		51.9–47.4			58.2–54.8
Tarsometatarsus	(13) 30.2 ± 0.6		(13) 29.7 ± 0.5	(1) 31.3		(2) 37.5 ± 0.5	(1) 37.3	(2) 36.7 ± 0.3	(1) 34.3
length	31.3–28.7		30.7–28.5			38.0–37.0		37.0–36.4