@article{024132933,
title = "Western (Aechmophorus occidentalis) and eared (Podiceps nigricollis) grebes of central Alberta: 2004 field summary",
author = "Berg, G. and Wilkinson, L. and Wollis, H. and Prescott, D.",
year = "2004",
url = "https://eurekamag.com/research/024/132/024132933.php"
}