Table 2. Semen parameters of selected families, subfamilies or tribes.

Group	volume (μl)	sperms/μl	total sperm number	L-D	motility	Forward motility
Cockatoos (n = 21)	12.4	427704	5183354	90.3	77.9	71.5
	(1.8–54)	(850–4 500 000)	(10540–69300000)	(71–6.5)	(40–85)	(30–80)
Macaws (n = 6)	7.4	70068	435750	87.1	75.8	70
	(3–19.5)	(27 500–150 000)	(41300–806664)	(81–2.5)	(70–85)	(60–80)
Amazons (n = 11)	8.5	77532	675050	87.9	80	75
	(2.8–18.4)	(8750–231 000)	(101050–2263800)	(83.5–91)	(all 80)	(all 75)
Eclectus ssp./Tanygnathus spp. (n = 26)	11.4	3781285	35828804	94.6	87.3	82.3
	(1–29)	(187 000–16 000 000)	(550000–157200000)	(87–99)	(60–95)	(55–90)
Loris (n = 12)	6.3	1534965	9806674	95.9	86.8	81.4
	(1.3–12.6)	(29583–5050000)	(82832–41265000)	(92–99.5)	(70–95)	(60–95)
Others (n = 21)	7.1	1317526	5318745	89	80.7	75
	(1.5–29.8)	(26500–10 450 000)	(53000–33440000)	(55–99)	(55–95)	(50–90)

L-D: Live-Death rate; Figures in bold are the mean value, figures in brackets are the total range