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(Overseas Adventure Travel) Brochure Caught Our Volume 53, Number 1 January, 2011 Panama-Costa RiCa tRiP - PaRt 1, Panama by Marion Ulmer “Real Affordable Costa Rica”, the offering in last The canal was completed in 1914 at which time the spring’s OAT (Overseas Adventure Travel) brochure first ship went through. There had been great loss of life caught our attention. “Why not?” I asked. “Sign up and in building the canal, mainly due to Yellow Fever and pay early for a discount” sounded even better, and so Malaria which in earlier days had also decimated the we did. We left on November 19th, going from Albany native populations. It was recommended that we have to Newark, to Panama City for the pre-trip excursion. shots for Yellow Fever, but Malaria was not considered a This was to be a cultural experience centered around the threat in the areas where we were. history of the We were in Panama at the end of the rainy season so Panama Canal the Lake Alajuela’s water level was high. But during an coupled with an extremely dry season, the Panamanians must watch their early morning own water consumption which is from this same lake. transit halfway Without sufficient water, the canal could not operate. through the canal We had little expectation of seeing many birds including the on this pre-trip adventure. Mainly we saw Brown Mira Flores locks Pelicans, Mangrove Swallows, Magnificent Frigate Birds, with breakfast Laughing Gulls, a few terns and many, many Black Panama Canal and lunch aboard Vultures. Our hotel El Panama was located in the heart our small ship. of the business district, a very safe area. There was a large We navigated under the Bridge of the Americas and saw courtyard with lovely plantings and a large swimming the excavation for a wider canal to accommodate today’s pool. Our best birding was actually there - Clay-colored much larger ships. Our group numbered just 13 plus Robins, a Tropical Mockingbird, Great-tailed Grackles, our guide Mimi and bus driver, for OAT is the small and Ruddy Ground Doves. A swim in the pool was in group part of Grand Circle Tours. order. The canal was started by the French in the late When we got off the boat, our driver took us to 1800’s, but the company went bankrupt as it attempted the Chinese a no-locks waterway from the Pacific to the Atlantic. Pavilion which The Continental Divide with its range of mountains overlooked proved their plan to be impractical, and the bankrupt the bridge of attempt was purchased by the US in 1903. Started again the Americas in 1904, the large cut through the mountains and three and was built sets of locks to accommodate the tidal variations on the (I believe) to Pacific side made the new plan a good one. Water from commemorate Lake Alajuela was used to fill the locks on its way to the all the Chinese Pacific Ocean. Large bays on either ends of the canal workers who provided waiting space for the ships ready to enter the had died during waterway. Traffic travels from East to West half the day the construction Chinese Pavilion and the reverse on the other half. of the canal. continued on page 4 “JuRassiC” GaRden by Mike Birmingham, Forest Entomologist1 Gardens have been peaceful places for me, but stone walls etc. Bird behavior such as silence or absence what about for animals? A Blue Jay (Cyanocitta cristata) from feeders is closely tied to fear of predators. perched on a bicycle handle nervously twitching its tail Armored and predator dinosaurs lived together as in agitated excitement. In an instant, the jay was swept do crows and hawks. The crow and hawk are equal in to the ground in the talons of a hawk. When the hawk size. Hawks seem more finished devouring the jay, all that was left was the gristly formable, but crows make sight of feathers and blood on the snow. It was this up for lack of talons and tremendous event and the fearsome look of the hawk’s curved, sharp bill by eyes that reminded me of the similarity between the aggressiveness, intelligence modern day garden inhabitants and animal life depicted and powerful beaks. Crows in the Jurassic Park 1993 American science fiction aerially challenge hawks thriller film and other such films and documentaries. by aggressive behavior, There were other reminders that modern birds ruining hawk hunts. The descended from dinosaurs. A Cooper’s hawk chased on crow seemed more intent foot a grey squirrel into a woodpile and persisted in its on defending its feeding attempts to reach the terrified squirrel holed up. Another ameRiCan CRow territory and the hawk on (Corvus braChyrhynChos) lookinG comparison is that dinosaur and bird raptors hunted at hawk on aRboR hunting the birds hiding at times in pairs. Dinosaur raptors and bird raptors are in the brush pile. Fossil characterized by their relentless attacks. One hawk flew records record animals surviving attacks from a distant perch at full speed toward feeders with by large predators. The crow and hawk birds. Another hawk sat near the bird’s escape route knew their limits and avoided combat. to cover. Cooperation among hunters is normal and This may hold true except that either supported by fossil records from the Jurassic era that bird might take the other as food if covered part of the Age of Reptiles. significantly injured. Fossil records show High speed hunts are dangerous to the hunted and armored herbivore dinosaurs surviving CooPeR’s hawk hunter. A Cooper’s hawk died, leaving its imprint on claw and tooth wounds. The powerful (aCCipiter Cooperil) watChinG biRds in a window pane, chasing a Mourning Dove (Zenaida beak of either bird could inflict a mortal bRush macroura). The dove in a desperate attempt to escape was wound on the other. I have observed also killed hitting the glass. In the Jurassic period fossil birds pecking at one another at feeders and found dead records indicate that prey and predators died in the chase birds with eye wounds. by drowning, falls from cliffs and into tar pits. Prey also dies It is not farfetched or unproductive to think of the from predator wounds. The modern gardens are not without modern garden as a Jurassic Park. To think of a garden as their daily violence in winter since hawks need to eat. a killing ground helps explain bird behavior. A shocking Most species of birds have adopted behaviors to example makes clear this notion. A hawk dropped from escape predation. Among the birds taking seed to cover the arbor to the ground where a small bird was feeding. to eat are nuthatches, chickadees and titmice. Finches The bird fled on foot under a juniper bush. The hawk feed in groups in the winter. A flock of birds provides pursued it on foot. It looked reptilian with head jutted more eyes to detect a hawk and bird dispersal confuse forward, wings held to its side, and body horizontal and predators. Birds detecting hawks shy away from feeders. supported by powerful legs sporting claws. The small Blackbirds stay mostly clear of feeders during the winter. bird escaped by crawling through tight cover too dense The woodpeckers avoid feeders when hawks are nearby. for the hawk to pass. Had the dinosaur raptors in the Woodpeckers have prolonged exposure to predation movie been clothe in feathers, as paleontologists say they due to extended periods at suet cakes and peanuts. Birds were, the similarities of modern birds and their ancient including ground feeders such as juncos and mourning ancestors are apparent. The modern garden is a model of doves prefer feeders near the cover of tall grasses, shrubs, “Jurassic Park. “ 1All photos by author. January 2011 The Warbler alandevoebirdclub.org 2 RemindeRs & notiCes adbC Field tRiPs Columbia land ConseRvanCy outinGs Jan. 16, 2011, Sat. - WATERFOWL For Information about CLC events, programs & outings: COUNT (27th Annual) (morning) Visit www.clctrust.org or call 518-392-5252 Meet 9 am at Stuyvesant Landing. Coordinator: Nancy Kern: 518-392-0120. MOH ON A S W udson ohawk iRd lub RiPs K h m b C t D U H Feb. 5, 2011, Sat. - SHRIKE SEARCH (morning) B & PRoGRams I B R U Meet 9 am at Lindenwald parking lot on route 9H. D CL More info: 518-439-8080 or www.hmbc.net We will look for Northern Shrike on Eichybush Road in Kinderhook. Northern Harrier and Rough- legged Hawk are more likely than Northern Shrike. Coordinator: Drew Hopkins: 518-249-4711. Note to Field Trip Leaders: Following the field trip for which you are the leader, send a brief summary/write-up of the trip for the Warbler to the editor - Nancy Kern, PO Box 321, Ghent NY 12075. email: [email protected] ALAN DEVOE BIRD CLUB MEMBERSHIP FORM Membership Annual Renewal Date: January 1st Send check to: Sandra Williams, 1730 Co. Rte 9, Chatham, NY 12037, payable to the Alan Devoe Bird Club, Inc. Name: Welcome in the New Year by Street addreSS: Renewing your membership. City, State & zip: telephoNe: We and the birds need you. E-Mail: Paper Warbler or E-Warbler (please circle your preference) MEMBERSHIP CATEGORIES: Adult $15 [ ] Junior (18 or younger) $10 [ ] Consider helping someone Supporting Adult $30 [ ] Individual Life $500 [ ] interested in birds Family/Household $25 [ ] Supporting Family/Household $45 [ ] by giving a gift membership. ADDITIONAL CONTRIBUTIONS: General Fund: Sanctuary Fund: Educational Opportunities Fund: TOTAL ENCLOSED: January 2011 The Warbler alandevoebirdclub.org 3 Panama - Costa RiCa tRiP - PaRt 1 - Panama continued from page 1 We had a tour of the city, part on foot, part in the black and red van.
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