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Red-tailed Hawk: Large, highly variable hawk with brown upperparts, head and throat. The underparts are pale with brown streaks. Wings are pale below with dark bar at leading edge and dark tips. The tail is red-brown with dark terminal band. Legs and feet are yellow. Soars on thermals and updrafts.
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Roseate Spoonbill: Large ibis, pink body, white upper back, neck. Long bill, gray and spatulate. Head is bare and olive-green. Feeds while wading in shallow water, sweeping its bill back and forth. Sensitive nerve endings snap bill shut when prey is found. Alternates steady wing beats, short glides.
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Ring-necked Duck: This medium-sized diving duck has black upperparts, a weakly tufted, purple-black head, black neck, upper breast and tail, cinnamon collar, white lower breast and belly, pale gray sides, and a blue-gray bill with a white ring near the black tip. Female is drab brown with white eye ring. Feeds on submerged plants and aquatic invertebrates. Direct flight with rapid wing beats.
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Ruddy Duck: This small, bright red-brown duck has a black cap extending below the eyes onto the nape, heavy blue bill and black tail. Some males have an all black head lacking white cheek patches. Females have a gray-brown neck and body, dull buff-brown head and neck sides, with a stripe across pale-gray cheek patch. Feeds on aquatic invertebrates and vegetation. Direct flight on rapid wing beats.
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Ring-billed Gull: This medium-sized gull has gray upperparts and white underparts. It has a white head and yellow bill with a black ring near the tip. The wings are gray above, tipped black with white spots, and white below; yellow legs and feet. It has a strong direct flight on deep wing beats and soars on thermals. The sexes are similar.
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Rock Pigeon: This is a large, highly variably colored dove. The wild form has a gray body, dark blue-gray head, neck, breast, and white rump. The wings are gray with two black bars. It has a gray rounded tail with a dark terminal band. Forages on the ground; feeds on grass, seeds, grains, clover and berries. Swift direct flight. Sexes are similar.
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Rose-breasted Grosbeak: Large finch, black head, back, bright red breast, and white rump, sides, belly. The wings are black with white patches above and red, white, black below. Long, slightly notched black tail with white patches. Female has brown streaked upperparts, buff streaked underparts and yellow wing linings. Eats seeds, caterpillars, insects, tree flowers, fruits and berries.
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Royal Tern: Large tern, pale gray upperparts; white face, neck, and underparts. Head has spiky, black crest and cap, and heavy, bright orange bill. Wings are black-tipped above and black-edged below; tail is deeply forked. Legs and feet are black. Hovers before plunge diving for prey.
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Ruddy Quail-Dove: Medium-sized dove, rufous overall with pale buff throat, streak under eye, and belly. Red-brown underwings shown in flight. Black tipped red bill, red legs and feet. Forages on the ground for seeds, fruit and small snails. Swift direct flight on rapidly beating wings.
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