Marine Ecology, June 2, 2008 Marine Birds (briefly)/Marine Mammals (Antarctic et al…)

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Presentation transcript:

Marine Ecology, June 2, 2008 Marine Birds (briefly)/Marine Mammals (Antarctic et al…)

South polar skua

Black-browed albatross Feeds primarily on krill! Black-browed albatross Photo: K. Haberman

Feeds primarily on krill “Gack” defense by young Southern giant petrel Photo: K. Haberman

Wilson’s storm petrel “Jesus birds”: feed on near-surface zooplankton (smaller krill species, copepods, amphipods) Wilson’s storm petrel Photo: K. Haberman

Blue-eyed shag (cormorants) Feed on fish and squid; deep divers Have heavy bones like penguins Blue-eyed shag Photos: K. Haberman

Kelp gulls Limpet eaters! Kelp gulls Photo: K Haberman

Order Pinnipedia

Order Pinnipedia, Family Phocidae Crabeater seal Photo: Karen Haberman

Crabeater seal skull showing krill eater teeth!

Elephant seals

Order Pinnipedia, Family Phocidae Leopard seal Photo: Karen Haberman

Order Pinnipedia, Family Phocidae Weddell seal Photo: Karen Haberman

Order Pinnipedia, Family Otariidae Southern fur seal (related to sea lions) Photo: Karen Haberman

Order Pinnipedia, Family Odobenidae Walrus

Order Cetacea Suborder Mysticeti: Overview Baleen in upper jaw Keratin- based Right whale baleen; photographer unknown

Humpback Whale Photo: H-C travel

Order Cetacea; Suborder Mysticeti Humpback Whale Photo: K. Haberman

Humpback migrations Note split of Australian population  Recent incident: “lost” males and song change

Order Cetacea; Suborder Mysticeti Minke Whale Photo: Project Atlantis

Order Cetacea; Suborder Mysticeti Blue Whale Photo: Project Atlantis

Order Cetacea; Suborder Odontoceti Family Delphinidae Orca Photo: NOAA

Orcas, Sea otters Sea urchins Kelp What changed ~1990?

Springer et al., 2003