Brown Falcon
Falco berigora
Large-headed falcon with variable brownish plumage ranging from dark chocolate brown, to reddish, to tan. All have a dark moustache mark, long unfeathered lower legs, and a finely barred tail. Take care to identify dark birds from Black Falcon, which has feathered legs, and a more angular heavy-shouldered appearance. When gliding holds its wingtips up. Common resident in rural areas, often perches on power lines, fence posts. Populations tend to move when food and water is scarce.
Identification
Adults are usually 40 to 50 cm (16 to 20 in) long. They are found in light and dark forms and a variety of intermediates. Animals typically have red-brown heads with narrow black streaks with a light crown and off-white chin. Wings are a spotted red-brown with dark brown quills. Beaks are light blue/grey; eyes are brown. The falcons make a loud cackle call uttered frequently.
Taxonomy
- Scientific name
- Falco berigora
- Authority
- Vigors & Horsfield, 1827
- Order
- Falconiformes
- Family
- Falconidae
- Genus
- Falco
Range and habitat
- Migration
- Resident species
Behavior
Brown falcons and other Australian firehawks have been said to pick up sticks with flames and dropping them to spread fires and prey on escaping animals. According to Audubon, "That anecdotal evidence is sourced from personal testimonies by Australian firefighters and aboriginal people, as well as historical literature, and amounts to 14 firsthand narratives of this specific occurrence."
Conservation
- Population trend
- declining
Photos
Distribution
Bird Calls
Other Birds
Eurasian Eagle-Owl
Bubo bubo
Very large and powerful owl with obvious ear tufts, deep orange eyes, and finely streaked pale buffy underparts. Active mainly at night, but can be seen perched up on prominent lookouts at dusk, searching for prey. Can be found roosting during the day in shady canopy or caves. Pairs often duet, with the male giving a deep, resounding hoot and the female giving a hoarser, higher-pitched one. Inhabits a wide range of habitats, from forests to rocky canyons, but generally abundant nowhere.
Balsas Screech-Owl
Megascops seductus
Medium-sized owl (but large for a screech-owl) with short ear tufts and brownish (not yellow) eyes. Fairly common in scrubby woodland, thorn forest, and edge of interior southwest Mexico where it is endemic. Sometimes seen hunting beside quiet roads. Usually detected by its gruff, bouncing ball song. Mottled Owl occurs in same areas but is slightly larger, with a rounded head and thicker dark streaks below.
Malagasy Palm Swift
Cypsiurus gracilis
A very slender gray-brown swift with a long, deeply forked tail that is often held closed, making it look needle-like and pointed. The erratic flight pattern, with frequent direction changes and rapid wingbeats on long, scythe-shaped wings, is distinctive. Less gregarious than other swifts; usually found in pairs or small flocks, and association with other swallows and swifts is usually only fleeting. Forages over a wide variety of habitats with palms, including savanna, coastal scrub, towns, villages, cultivated areas, forest edge, and clearings, from sea level up to 1100 meters of elevation, preferring lowlands. Nests and roosts in palms, especially Hyphaene, Bismarckia, and coconut palms. Gives a high-pitched, metallic “tre-tit-tit-tit-tit-tit-tit-tit” call, solitarily or in unison with others. Separated from other swifts by its longer and thinner tail. Further separated from the larger Madagascar Swift by its much weaker and more fluttering flight.
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