Blue Whale
Alaska Department of Fish and Game: Blue Whale, American Cetacean Society Fact Sheet: Blue Whale, Balaenoptera musculus, Blue Whale Calls, Blue Whale Factsheet, Blue Whale Information, Blue Whales: Photographs and Information, Cetacean Information: Blue Whale, Discovering Whales: Blue Whale, Enchanted Learning: Blue Whale
Bryde's Whale
Balaenoptera edeni (Bryde's Whale), Bryde's Whale, Bryde's Whale, Bryde's Whale, Centre For Dolphin Studies: Bryde's Whale, Discovering Whales: Bryde's Whale
Fin Whale
Balaenoptera physalus (Fin Whale), Balaenoptera physalus (Fin Whale), Discovering Whales: The Fin Whale, Fin Whale, Fin Whale, Fin Whale, Fin Whale Acoustics, Surge: Whale Research
Humpback Whale
Alaska Department of Fish and Game: Humpback Whale, BBC Nature Wildfacts: Humpback Whale, Behavioral Development in Humpback Whales, Canada's Aquatic Environments: Humpback Whale, Discovering Whales: The Humpback Whale, Earthtrust: Humpback Whales, Great Barrier Reef Humpback Study, Hawaii Humpback Whale Study, Hawaii Whale Research Foundation, Hervey Bay Humpback Study
Minke Whale
Action Plan for Australian Cetaceans: Minke Whale, Discovering Whales: The Minke Whale, Dwarf Minke Whale, Hunting the Minke, Minke Whale, Minke Whale
Sei Whale
Balaenoptera borealis (Sei Whale), Discovering Whales: The Sei Whale, Sei Whale, Sei Whale Fact Sheet, Sei Whale, Balaenoptera borealis
Balaenopteridae Family
Family overview and species accounts for all six members - Minke, Sei, Bryde's, Blue, Fin, and Humpback Whales.
Fin Whales
Overview of the Balaenopteridae species, with common names in 11 languages, images, and detailed descriptions for 3 species.
Rorquals
Detailed description of the family and its members from the online book Walker's Mammals of the World by Ronald Nowak.
Rorquals - Drake Bay, Costa Rica
Description and 47 photographs from a whale watching trip.