Alcatraz Island
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6 个页面策展人：Up for Grabs更新于 关于Alcatraz Island
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During the waterbird nesting season on Alcatraz Island (~March-September), docents are stationed near the colonial waterbird colonies. Using spotting scopes and binoculars to view waterbirds incubating eggs or feeding chicks, docents teach visitors about the ecology of nesting gulls, cormorants, her
版本: 1维护者: 1合集: 0CC0 1.0 — public domain
版本: 1维护者: 1合集: 0CC0 1.0 — public domain
