By Juliet A. Vickery and William M. Adams In 1974, Winstanley and his colleagues1 asked ‘Where have all the whitethroats gone?’. This followed the failure of this small migrant bird to recover from a 77% decline in the UK breeding population in 1968–1969, the suggested cause being drought-related mortality in the Sahel. Whitethroats have slowly … Continue reading Action before certainty for Africa’s European migrant birds