Doing more with less: The plight of the failing hippocampus

Unexpected sex ratio adjustment in a col

Unexpected sex ratio adjustment in a colonial cooperative bird: pairs with helpers produce more of the helping sex whereas pairs without helpers do not

✍ Claire Doutrelant; Rita Covas; Alain Caizergues; Morné Plessis 📂 Article 📅 2004 🏛 Springer 🌐 English ⚖ 180 KB

Molecular Phylogenetic Examination of th

Molecular Phylogenetic Examination of the Delphinoidea Trichotomy: Congruent Evidence from Three Nuclear Loci Indicates That Porpoises (Phocoenidae) Share a More Recent Common Ancestry with White Whales (Monodontidae) Than They Do with True Dolphins (Delphinidae)

✍ Victor G. Waddell; Michel C. Milinkovitch; Martine Bérubé; Michael J. Stanhope 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 53 KB

Porpoises (Phocoenidae), dolphins (Delphinidae), and the two species of Monodontidae (beluga and narwhal) together constitute the superfamily Delphinoidea. Although there is extensive evidence supporting the monophyly of this superfamily, previous studies involving morphology, as well as sequence an