Acebes, Jo Marie Vera, Joshua Neal Silberg, Timothy John Gardner, Edna Rex Sabater, Angelico Jose Cavada Tiongson, Patricia Dumandan, Diana Maria Margarita Verdote, Christine Louise Emata, Jean Utzurrum, and Arnel Andrew Yaptinchay. “First Confirmed Sightings of Blue Whales Balaenoptera Musculus Linnaeus, 1758 (Mammalia: Cetartiodactyla: Balaenopteridae) in the Philippines since the 19th Century”. Journal of Threatened Taxa 13, no. 3 (March 29, 2021): 17875–17888. Accessed July 29, 2021. https://threatenedtaxa.org/index.php/JoTT/article/view/6483.