ISNS 2367 Lecture 2: ch 13
12 Nov 2017
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Monday, october 30, 2017 9:03 pm: include approx. 5k species, separated into two categories: invertebrates. Includes squid, cephalopods, large shrimp, and some crabs. 15m in length: very large eyes, can see great distances, vertebrates. Only true marine lizard is marine iguana of galapagos. Also include sea snakes, gavials, and turtles. Gaval - fish eating crocodilian from india. Onenote online: several international agreements, marine birds. About 3% of estimated 9-10k species of birds are marine species. Most have definite breeding sites and seasons, migrate thousands of km. Low numbers of offspring, delayed maturity, longer life spans than terrestrial birds. Highly developed eyesight, not good hearing or smell. Excess salt concentrated at gland over each eye, salty solution drips or blown through nasal passages. High metabolic rate, huge eaters, feeding on: fish, squid, krill, egg masses, bottom invertebrates, carrion, garbage. Four general related groups/orders: albatrosses/petrels/fulmars/shearwaters, wanderers, most oceanic of all birds, large wingspan (11ft)
