Table 1.

Sampling activities from May 2019 to April 2020: WH = wolf howling, CT = camera trapping, NGS = non-invasive genetic sampling.

2019								2020
May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Jan	Feb	Mar	Apr
		WH	WH	WH	WH
		CT	CT	CT	CT	CT	CT *	CT *	CT *	CT *	CT
NGS	NGS	NGS	NGS	NGS	NGS	NGS	NGS *	NGS *	NGS *	NGS *	NGS

* Systematic sampling design.