Reproductive Biology of the Syrian Woodpecker Dendrocopos syriacus —A Case Study from Southwestern Iran

In the springs of 2016–2017, 42 nests of the Syrian Woodpecker Dendrocopos syriacus were surveyed in 400 ha of the mountainous region of southwestern Iran. Egg laying began in late March. Clutch size was between three and five eggs (mean: 4±0.6, median: 4, N=26). The incubation period varied from nine to 13 days (mean: 10.7±1.2 days). Hatching most often occurred in the last two weeks of April. The number of eggs that hatched in successful nests...