219 Successfully introduced birds in New Zealand were released in higher numbers and on more occasions than introduced birds that failed to establish (Veltman et al. 1996; Duncan 1997; Green 1997; Cassey et al. 2004; Lockwood et al. 2005; Blackburn et al. 2009). This raises an important question: were species successful because they were introduced in large numbers, or were they introduced in large numbers because the initial releases were successful? The former case is called propagule pressure (e.g., Veltman et al. 1996; Duncan 1997; Green 1997; Cassey et al. 2004; Lockwood et al. 2005; Sol et al. 2008; Blackburn et al. 2009), whereas the later represents what has been dubbed a “Franklin Delano Roosevelt” efect (Blackburn et al. 2013; Moulton & Cropper 2014a). The term stems from former US president Franklin D. Roosevelt who once said, “Do something. If it works, keep doing it.” By this efect, people would have continued introducing individuals of a species, even if the species was already established, in order either to increase the population or simply expand its range. Both cases have been argued using historical records taken mostly from the acclimatisation societies in New Zealand. The main references used in these studies for New Zealand were Thomson (1922) and Long (1981). As noted previously (Moulton et al. 2011), for nearly all references for exotic birds released in New Zealand, Long (1981) cites Thomson (1922) directly or indirectly (i.e., when the reference he cited actually cited Thomson 1922) as the authority. Thus, the accuracy and thoroughness of the historical records reported by Thomson (1922) are of fundamental importance in Notornis, 2014, Vol. 61: 219-222 0029-4470 © The Ornithological Society of New Zealand Inc. SHORT NOTE Received 18 July 2014; accepted 30 October 2014 *Correspondence: moultonm@ul.edu New records for passerine introductions to the Otago Acclimatisation Region in New Zealand MICHAEL P. MOULTON* Department of Wildlife Ecology and Conservation, University of Florida, PO Box 110430, Gainesville, FL 32611-0430, USA EDUARDO S.A. SANTOS LAGE do Departamento de Ecologia, Instituto de Biociências, Universidade de São Paulo; São Paulo, SP, Brazil WENDELL P. CROPPER, JR. School of Forest Resources and Conservation, University of Florida, PO Box 110410, Gainesville, FL 32611- 0410, USA JIAHUI NAT LIM Department of Zoology, University of Otago, Dunedin, New Zealand