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Birds and Botany Colombia February 2018 By Lelis Navarrete (Edited and Reviewed by Gustavo Cañas-Valle, February 2018 - Follows SACC & Birdlife) DATE March3 March4 March5 March6 March7 March8 March9 March10 March11 March12 NOTES DAY 1 2 3 4 5 6 7 8 9 10 TINAMIFORMES: Tinamidae Great Tinamou Tinamus major Grey Tinamou Tinamous tao Little Tinamou Crypturellus soui Red-legged Tinamou Crypturellus erythropus ANSERIFORMES: Anhimidae Northern Screamer Chauna chavaria ANSERIFORMES: Anatidae White-faced Whistling-Duck Dendrocygna viduata 3 Black-bellied Whistling-Duck Dendrocygna autumnalis 1 x Fulvous Whistling-Duck Dendrocygna bicolor x Comb Duck Sarkidiornis melanotos Muscovy Duck Cairina moschata Blue-winged Teal Spatula discors x Cinnamon teal Spatula cianoptera Northern Shoveler Spatula clipeata American Widgeon Anas americana White-cheeked Pintail Anas bahamensis Lesser Scaup Aythya affinis Masked Duck Nomonyx dominicus GALLIFORMES: Cracidae Chestnut-winged Chachalaca E Ortalis garrula H 10 Rufous-vented Chachalaca Ortalis ruficauda 4 Colombian Chachalaca E Ortalis columbiana Band-tailed Guan Penelope argyrotis 8 5 9 4 1 Birds and Botany Colombia February 2018 By Lelis Navarrete (Edited and Reviewed by Gustavo Cañas-Valle, February 2018 - Follows SACC & Birdlife) DATE March3 March4 March5 March6 March7 March8 March9 March10 March11 March12 NOTES DAY 1 2 3 4 5 6 7 8 9 10 Crested Guan Penelope purpurascens Wattled Guan Aburria aburri Sickle-winged Guan Chamaepetes goudotii 5 2 1 Blue-knobbed Curassow E Crax alberti 8 GALLIFORMES: Odontophoridae Crested Bobwhite Colinus cristatus 7 5 Marbled Wood-Quail Odontophorus gujanensis Black-fronted Wood-Quail E Odontophorus atrifrons H 4 PODICIPEDIFORMES: Podicipedidae Least Grebe Tachybaptus dominicus Pied-billed Grebe Podilymbus podiceps PHOENICOPTERIFORMES: Phoenicopteridae American (Caribbean) Flamingo Phoenicopterus ruber 3 PROCELARIIFORMES: Procelariidae Black-capped Petrel Pterodroma hasitata Audubon's Shearwater Puffinus lherminieri Sooty Shearwater Ardenna grisea PELECANIFORMES: Phaethontidae Red-billed Tropicbird Phaethon aethereus White-tailed Tropicbird Phaethon lepturus CICONIIFORMES: Ciconiidae Jabiru Jabiru mycteria Wood Stork Mycteria americana PELECANIFORMES: Fregatidae Magnificent Frigatebird Fregata magnificens 3 1J 2 2 Birds and Botany Colombia February 2018 By Lelis Navarrete (Edited and Reviewed by Gustavo Cañas-Valle, February 2018 - Follows SACC & Birdlife) DATE March3 March4 March5 March6 March7 March8 March9 March10 March11 March12 NOTES DAY 1 2 3 4 5 6 7 8 9 10 PELECANIFORMES: Sulidae Masked Booby Sula dactylatra Red-footed Booby Sula sula Brown Booby Sula leucogaster PELECANIFORMES: Phalacrocoracidae Neotropical Cormorant Phalacrocorax brasilianus x PELECANIFORMES: Anhingidae Anhinga Anhinga anhinga 1 PELECANIFORMES: Pelecanidae Brown Pelican Pelecanus occidentalis 50 x CICONIIFORMES: Ardeidae Pinnated bittern Botaurus pinnatus Least bittern Ixobruchus exilis Stripe-backed bittern Ixobrychus involucris Rufescent Tiger-Heron Tigrisoma lineatum Fasciated Tiger-Heron Tigrisoma fasciatum Bare-throated Tiger-Heron Tigrisoma mexicanum Great Blue Heron Ardea herodias 1J Cocoi Heron Ardea cocoi Great Egret Ardea alba 12 5 x Snowy Egret Egretta thula 12 x Little Blue Heron Egretta caerulea 1 3 Tricolored Heron Egretta tricolor 1 2ad, 1J Reddish Egret Egretta rufescens Cattle Egret Bubulcus ibis 10 24 4 x Green Heron Butorides virescens 1 1 3 Birds and Botany Colombia February 2018 By Lelis Navarrete (Edited and Reviewed by Gustavo Cañas-Valle, February 2018 - Follows SACC & Birdlife) DATE March3 March4 March5 March6 March7 March8 March9 March10 March11 March12 NOTES DAY 1 2 3 4 5 6 7 8 9 10 Striated Heron Butorides striatus 3 Agami Heron Agamia agami Whistling Heron Syrigma sibilatrix Capped Heron Pilherodius pileatus Black-crowned Night-Heron Nycticorax nycticorax 1 Yellow-crowned Night-Heron Nyctanassa violacea 1ad, 1J Southern Boat-billed Heron Cochlearius cochlearius CICONIIFORMES: Threskiornithidae White Ibis Eudocimus albus 1 Scarlet Ibis Eudocimus ruber Glossy Ibis Plegadis falcinellus Green Ibis Mesembrinibis cayennensis 2 Bare-faced (Whispering) Ibis Phimosus infuscatus 3 4 Buff-necked Ibis Theristicus caudatus Roseate Spoonbill Platalea ajaja CICONIIFORMES: Cathartidae Black Vulture Coragyps atratus x 6 3 4 15 x Turkey Vulture Cathartes aura 8 2 1 2 3 4 Lesser Yellow-headed Vulture Cathartes burrovianus 2 3 King Vulture Sarcoramphus papa FALCONIFORMES: Pandionidae Osprey Pandion haliaetus 1 1 1 FALCONIFORMES: Accipitridae Pearl Kite Gampsonyx swainsonii White-tailed Kite Elanus leucurus Hook-billed Kite Chondrohierax uncinatus 4 Birds and Botany Colombia February 2018 By Lelis Navarrete (Edited and Reviewed by Gustavo Cañas-Valle, February 2018 - Follows SACC & Birdlife) DATE March3 March4 March5 March6 March7 March8 March9 March10 March11 March12 NOTES DAY 1 2 3 4 5 6 7 8 9 10 Gray-headed Kite Leptodon cayanensis Swallow-tailed Kite Elanoides forficatus 2 Black-and-white Hawk-Eagle Spizastur melanoleucus Black Hawk-Eagle Spizaetus tyrannus Ornate Hawk-Eagle Spizaetus ornatus Black-and-chestnut Eagle Oroaetus isidori Black-collared Hawk Busarellus nigricollis Snail Kite Rostrhamus sociabilis 1J 4ad, 3j Double-toothed Kite Harpagus bidentatus 1J 1 1 1 Mississippi Kite Ictinia mississippiensis Plumbeous Kite Ictinia plumbea American Northern Harrier Circus cyaneus Gray-bellied Hawk Accipiter poliogaster Tiny Hawk Accipiter superciliosus Sharp-shinned hawk Accipiter striatus 1 Cooper's hawk Accipiter cooperi 1 Bicolored Hawk Accipiter bicolor Crane Hawk Geranospiza caerulescens 1J Common Black-Hawk Buteogallus anthracinus 1 Savanna Hawk Buteogallus meridionalis Great Black-Hawk Buteogallus urubitinga 1 Solitary Eagle Buteogallus (Harpyhaliaetus) solitarius Roadside Hawk Rupornis (Buteo) magnirostris Harris' Hawk Parabuteo unicinctus 5 Birds and Botany Colombia February 2018 By Lelis Navarrete (Edited and Reviewed by Gustavo Cañas-Valle, February 2018 - Follows SACC & Birdlife) DATE March3 March4 March5 March6 March7 March8 March9 March10 March11 March12 NOTES DAY 1 2 3 4 5 6 7 8 9 10 White rumped hawk Parabuteo leucorrhous White-tailed Hawk Geranoaetus albicaudatus 1 White Hawk Pseudastur (Leucopternis) albicollis Gray (Gray-lined) Hawk Asturina nitida (Buteo nitidus) Broad-winged Hawk Buteo platypterus 1 1 Short-tailed Hawk Buteo brachyurus Swainson's Hawk Buteo swainsoni Zone-tailed Hawk Buteo albonotatus FALCONIFORMES: Falconidae Barred Forest-Falcon Micrastur ruficollis Collared Forest-Falcon Micrastur semitorquatus Red-throated Caracara Daptrius americanus Northern Crested Caracara Caracara cheriway 2 12 Yellow-headed Caracara Milvago chimachima 2 2 15 12 Laughing Falcon Herpetotheres cachinnans American Kestrel Falco sparverius Merlin Falco columbarius 1F Aplomado Falcon Falco femoralis Bat Falcon Falco rufigularis Peregrine Falcon Falco peregrinus GRUIFORMES: Rallidae Clapper Rail Rallus longirostris Gray-necked Wood-Rail Aramides cajanea Rufous-necked Wood-Rail Aramides axillaris White-throated Crake Laterallus albigularis 6 Birds and Botany Colombia February 2018 By Lelis Navarrete (Edited and Reviewed by Gustavo Cañas-Valle, February 2018 - Follows SACC & Birdlife) DATE March3 March4 March5 March6 March7 March8 March9 March10 March11 March12 NOTES DAY 1 2 3 4 5 6 7 8 9 10 Gray-breasted Crake Laterallus exilis Yellow-breasted Crake Porzana flaviventer Ash-throated Crake Porzana albicollis Sora Porzana carolina GO Colombian Crake Neocrex colombianus H Common (Moorhen) Gallinule Gallinula chloropus 12 Purple Gallinule Porphyrio martinica Caribbean Coot Fulica caribaea GRUIFORMES: Aramidae Limpkin Aramus guarauna 8 CHARADRIIFORMES: Burhinidae Double-striped Thick-knee Burhinus bistriatus 4 CHARADRIIFORMES: Recurvirostridae Black-necked Stilt Himantopus maxicanus x x CHARADRIIFORMES: Haematopodidae Amerycan Oystercatcher Haematopus palliatus CHARADRIIFORMES: Charadriidae Black-bellied Plover Pluvialis squatarola American Golden-Plover Pluvialis dominica Southern Lapwing Vanellus chilensis 4 Collared Plover Charadrius collaris Wilson's Plover Charadrius wilsonius Semipalmated Plover Charadrius semipalmatus Killdeer Charadrius vociferus Snowy Plover Charadrius alexandrinus CHARADRIIFORMES: Jacanidae 7 Birds and Botany Colombia February 2018 By Lelis Navarrete (Edited and Reviewed by Gustavo Cañas-Valle, February 2018 - Follows SACC & Birdlife) DATE March3 March4 March5 March6 March7 March8 March9 March10 March11 March12 NOTES DAY 1 2 3 4 5 6 7 8 9 10 Wattled Jacana Jacana jacana 1 x CHARADRIIFORMES: Scolopacidae Upland Sandpiper Bartramia longicauda Whimbrel Numenius phaeopus 1 Marbled Godwit Limosa fedoa Hudsonian Godwit Limosa haemastica Ruddy Turnstone Arenaria interpres Red Knot Calidris canutus Sanderling Calidris alba x Semipalmated Sandpiper Calidris pusilla Western Sandpiper Calidris mauri Least Sandpiper Calidris minutilla White-rumped Sandpiper Calidris fuscicollis Baird's Sandpiper Calidris bairdii Pectoral Sandpiper Calidris melanotos 2 Stilt Sandpiper Calidris himantopus Buff-breasted Sandpiper Tryngites subruficollis 1 Short-billed Dowitcher Limnodromus griseus Long-billed Dowitcher Limnodromus scolopaceus Wilson's Snipe Gallinago delicata Spotted Sandpiper Actitis macularia 12 Greater Yellowlegs Tringa melanoleuca Lesser Yellowlegs Tringa flavipes 6 Solitary Sandpiper Tringa solitaria Willet Catoptrophorus semipalmatus 8 Birds and Botany Colombia February 2018 By Lelis Navarrete (Edited and Reviewed by Gustavo Cañas-Valle, February 2018
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    BOLIVIA: THE ANDES AND CHACO LOWLANDS TRIP REPORT OCTOBER/NOVEMBER 2017 By Eduardo Ormaeche Blue-throated Macaw www.birdingecotours.com [email protected] 2 | T R I P R E P O R T Bolivia, October/November 2017 Bolivia is probably one of the most exciting countries of South America, although one of the less-visited countries by birders due to the remoteness of some birding sites. But with a good birding itinerary and adequate ground logistics it is easy to enjoy the birding and admire the outstanding scenery of this wild country. During our 19-day itinerary we managed to record a list of 505 species, including most of the country and regional endemics expected for this tour. With a list of 22 species of parrots, this is one of the best countries in South America for Psittacidae with species like Blue-throated Macaw and Red-fronted Macaw, both Bolivian endemics. Other interesting species included the flightless Titicaca Grebe, Bolivian Blackbird, Bolivian Earthcreeper, Unicolored Thrush, Red-legged Seriema, Red-faced Guan, Dot-fronted Woodpecker, Olive-crowned Crescentchest, Black-hooded Sunbeam, Giant Hummingbird, White-eared Solitaire, Striated Antthrush, Toco Toucan, Greater Rhea, Brown Tinamou, and Cochabamba Mountain Finch, to name just a few. We started our birding holiday as soon as we arrived at the Viru Viru International Airport in Santa Cruz de la Sierra, birding the grassland habitats around the terminal. Despite the time of the day the airport grasslands provided us with an excellent introduction to Bolivian birds, including Red-winged Tinamou, White-bellied Nothura, Campo Flicker, Chopi Blackbird, Chotoy Spinetail, White Woodpecker, and even Greater Rhea, all during our first afternoon.
  • THE WILSON BULLETIN a QUARTERLY JOURNAL of ORNITHOLOGY Published by the Wilson Ornithological Society

    THE WILSON BULLETIN a QUARTERLY JOURNAL of ORNITHOLOGY Published by the Wilson Ornithological Society

    THE WILSON BULLETIN A QUARTERLY JOURNAL OF ORNITHOLOGY Published by the Wilson Ornithological Society VOL. 116, NO. 4December 2004 PAGES 287±397 Wilson Bulletin 116(4):287±292, 2004 ORNAMENTAL PLUME DEVELOPMENT AND THE ``PREALTERNATE MOLTS'' OF HERONS AND EGRETS PETER PYLE1,3 AND STEVE N. G. HOWELL2 ABSTRACT.ÐTo investigate molts and ornamental-plume development in herons and egrets, we examined 448 specimens of 10 North American species. We found no evidence for a prealternate molt, despite widespread opinion that such a molt occurs and includes the ornamental plumes. Our data indicate that these plumes emerge during the later stages of the de®nitive prebasic molt in August±November, grow slowly through January± February, and are retained until replacement during the following prebasic molt. The preformative (traditionally termed ``®rst-prebasic'') molt shows substantial variation in extent. In 91.9% of 86 ®rst-year individuals collected between November and May, this molt included the development of ornamental plumes that were similar in form, but shorter in length, than those of adults. Male Great Blue (Ardea herodias) and Little Blue (Egretta caerulea) herons developed longer ornamental plumes than females, presumably a result of sexual-selection strategies. Received 9 February 2004, accepted 28 September 2004. Herons and egrets (Tribe Ardeini) are wide- nate molt requires the activation of follicles ly regarded as having two plumages per more than once during the molt cycle (Hum- yearÐa ``non-breeding'' or basic plumage in phrey and Parkes 1959). In north-temperate fall and winter, and a ``breeding'' or alternate herons and egrets, therefore, an early spring plumage in spring and summer (Palmer 1962, molt (additional to the annual prebasic molt) Cramp 1977, Hancock and Kushlan 1984, has been presumed, involving the replacement Marchant and Higgins 1990, Voisin 1991).
  • Notes on the Plumages of the Paramo Seedeater (Catamenia Homochroa)

    Notes on the Plumages of the Paramo Seedeater (Catamenia Homochroa)

    January1986] ShortCommunications 227 shortcomingof the modal method is that it estimates -, & J. T. EMLEN. 1966. A technique for record- only the direction of activity and gives no indication ing migratory orientation of captive birds. Auk of the scatterof hopping, whereas the traditional 83: 361-367. method indicates the degree of concentration of a HAMILTONßW. J., III. 1966. Analysis of bird navi- bird's hopping (mean vector length, r). This is not gationexperiments. Pp. 147-178in Systemsanal- often a major problem becausemost recent studies ysis in ecology (K. E. F. Watt, Ed.). New York, have relied on second-orderanalyses of mean direc- Academic Press. tions that ignore the mean vector lengths. Indeed, at MARDIA, K. V. 1972. Statistics of directional data. this point the biological meaning of the dispersion New York, Academic Press. of a bird's hoppingactivity is not clearand is in part MOORE,F. R. 1985. Individual variability in the mi- a reflection of the idiosyncraciesof individual birds gratory orientation of the Savannah Sparrow, (Wiltschko and Wiltschko 1978, Moore 1985). Passerculussandwichensis. Z. Tierpsychol. 67: 144- 153. LITERATURE CITED RABOL,J. 1969. Orientation of autumn migrating Garden Warblers (Sylvia borin) after displace- BATSCHELET,E. 1978. Second-order statistical anal- ment from western Denmark (Blfivand) to east- ysisof directions.Pp. 3-24 in Animal migration, ern Sweden (Ottenby). A preliminary experi- navigation, and homing (K. Schmidt-Koenig and ment. Dansk Ornithol. Foren. Tids. 63: 93-104. W. T. Keeton, Eds.).Berlin, Springer-Verlag. 1970. Transformationof colour degreesto 1981. Circular statisticsin biology. New number of jumps using the Emlen orientation York, Academic Press.