1. Andres, B. A., Smith, P. A., Morrison, R. G., Gratto-Trevor, C. L., Brown, S. C., & Friis, C. A. (2013). Population estimates of north American shorebirds, 2012. Wader Study Group Bulletin, 119, 178–194.
2. Atlantic States Marine Fisheries Commission (ASMFC). (1998). Interstate fishery management plan for horseshoe crab. Washington, DC: ASMFC.
3. Atlantic States Marine Fisheries Commission (ASMFC). (1999). Horseshoe crab stock assessment for peer review (stock assessment report no. 98–01 (suppl.). Washington, DC: ASMFC.
4. Baker, A. J., Gonzalez, P. M., Piersma, T., Niles, L. J., de Lima Serrano do Nascimento, I., Atkinson, P. W., et al. (2004). Rapid population decline in red knots: fitness consequences of decreased refueling rates and late arrival in Delaware Bay. Proceedings of the Royal Society of London, Series B, 271, 875–882.
5. Barbraud, C., & Weimerskirch, H. (2006). Antarctic birds breed later in response to climate change. Proceedings of the National Academy Sciences, 103, 6248–6251.