Contingency Tables

This dataset describes counts of each time an indicated behavior was performed by a Corvus brachyrhynchos (American crow) individual encountered on a survey near the Venice Beach, California least tern colony. The behaviors included are as follows:[F - A] Foraging: Anthropogenic Sources[F - NA] Foraging: Non-Anthropogenic Sources[F - P] Foraging: Predation[Sc] Scanning[R] Roosting[P] Perching[T] Traveling[T - F] Traveling: In-Flight[VO] Vocalizations[G] Grooming[OS] Out of sight The routes surveyed are as follows: "beach" - The beach route ran north along Venice beach, parallel to the ocean, from the tern colony until the pier adjacent to Washington Blvd."resid" - The residential route ran north on Pacific Ave alongside the Ballona Lagoon, crossed to the east side of the channel, and continued north on Via Marina until ending at Washington Blvd. "rest" - The restaurant route started at the west end of Washington Blvd at the Venice Beach pier and continued east on Washington Boulevard for half a mile. Refer to our "Final Paper" document for a detailed description on the distinctions between the five clusters.

本数据集统计了在加利福尼亚州威尼斯海滩附近的加州最小燕鸥（California least tern）繁殖群周边调查中偶遇的每一只美洲乌鸦（American crow，*Corvus brachyrhynchos*）完成各类指示行为的频次。

本次统计涵盖的行为如下：
[F - A] 觅食：人为食物来源（Foraging: Anthropogenic Sources）
[F - NA] 觅食：非人为食物来源（Foraging: Non-Anthropogenic Sources）
[F - P] 觅食：捕食（Foraging: Predation）
[Sc] 警戒扫描（Scanning）
[R] 栖宿（Roosting）
[P] 停栖（Perching）
[T] 移动（Traveling）
[T - F] 移动：飞行中（Traveling: In-Flight）
[VO] 鸣唱行为（Vocalizations）
[G] 理羽行为（Grooming）
[OS] 脱离观测视线（Out of sight）

本次调查的路线如下：
"beach（海滩路线）"：该路线沿威尼斯海滩平行于海岸线向北行进，从最小燕鸥繁殖群出发，直至毗邻华盛顿大道（Washington Blvd）的码头；
"resid（居民区路线）"：该路线沿太平洋大道（Pacific Ave）向北行进，毗邻巴洛纳泻湖（Ballona Lagoon），横穿至水道东侧后，继续沿马里纳大道（Via Marina）向北行进，最终止于华盛顿大道；
"rest（餐厅路线）"：该路线始于华盛顿大道西端的威尼斯海滩码头，沿华盛顿大道向东行进半英里。

有关五个聚类群的详细区分说明，请参阅我们的《最终报告》（Final Paper）文档。