Backyard Birds | Coyotes | Deer | Opossums | Owls | Raccoons | Skunks | Snakes | Home
Total Page:16
File Type:pdf, Size:1020Kb
Load more
Recommended publications
-
Owl Eyes Activity
EXPAND YOUR SENSES! TRY USING YOUR OWLTEX T EYES Age Range: Grades K-5 Time: 10-15 minutes Location: Indoor or outdoor space Materials: Yourself, a place to stand where you can focus your eyes on a fixed object at eye level. Instructional video: https://www.youtube.com/watch? Barn Owl v=2js74vxOXfg&feature=youtu.be Illustrations by Amira Maddison USING YOUR “OWL EYES” ACTIVATES YOUR PERIPHERAL VISION What is peripheral vision? It’s the ability to see movement and objects outside of what your eyes are directly focused on. ACTIVITY PART 1: BECOMING AN OWL Start by finding a quiet place to go and stand. Take a little bit of time to start imagining that you are becoming an owl. Notice where your feet are positioned. Make sure they are firmly positioned on the ground. Imagine that your feet have become talons and they are gripped around the branch of a tree. You are tucked away in the tree, so no one else can see you. Now it’s time to take it all in and comfortably stare into the distance. If you are outside, make sure you can see the sky and the ground. If you are inside, make sure you can see the ceiling and the floor. Notice your eyes going soft and imagine that you can now see everything happening around you. For a few minutes, take it all in. To finish, take a big breath in and when you breathe out, release that feeling of becoming an owl. Next, you will work on activating your eyesight. -
Selection and Use of Nest Sites by Barn Owls in Norfolk, England
j Raptor Res. 28(3):149-153 ¸ 1994 The Raptor ResearchFoundation, Inc. SELECTION AND USE OF NEST SITES BY BARN OWLS IN NORFOLK, ENGLAND PAUL N. JOHNSON The Durrell Instituteof Conservationand Ecology,The University,Canterbury, Kent CT2 7NX United Kingdom AI•STR•CT.--Between1989 and 1993 reproductionwas monitoredat 96 barn owl (Tyro alba) breeding sitesin England. Nestswere locatedin tree cavities,buildings, and nest boxesin farm buildingsand maturetrees. Many of the sitesother than nestboxes used by owls were of human origin, but the number of thosedeclined during the courseof the study due to deteriorationof human-madestructures and competitionfrom otherspecies. Nest boxesincreased the populationdensity from 15 breedingpairs/100 km2 to 27 pairs.Over the studyperiod, pairs usingnest boxes produced significantly larger clutchesthan at other sites,but the numberof fledglingswas not significantlydifferent amongtypes of nest sites. KEY WORDS: barn owl; breedingecology; England; human-altered habitats; nest boxes; Tyro alba. Selecci6ny usode sitiosde nidificaci6npor Tyroalba en Norfolk, Inglaterra RESUMEN.--Entre1989 y 1993 semonitore6 la reproducci6nen 96 sitiosreproductivos de Tyroalba. Los nidosse localizaron en cavidadesde firboles,edificios, cajas anideras en construccionesagricolas y firboles madufos.Mucho de estossitios, aparte de las cajasanideras, usados por T. alba fueron de origen humano, peroel nfimerode ellosdeclin6 durante el cursodel estudiodebido al deteriorode las estructurasartificiales y a la competenciacon otras especies.Las cajasanideras incrementaron la densidadpoblacional de 15 parejasreproductivas/100 km 2 a 27 parejas.En el periodode estudio,las parejasque usaronlas cajas aniderasprodujeron nidadas significativamentemils grandesqueen otros sitios, pero el nfimero de volantonesno fue significativamentediferente entre los distintostipos de sitios. [Traducci6n de Ivan Lazo] The barn owl (Tyro alba) is currentlyclassified box studieshas been criticized by Moller (1989, as vulnerable in northwest Norfolk, England by 1992). -
Black-Flies and Leucocytozoon Spp. As Causes of Mortality in Juvenile Great Horned Owls in the Yukon, Canada
Black-flies and Leucocytozoon spp. as Causes of Mortality in Juvenile Great Horned Owls in the Yukon, Canada D. Bruce Hunter1, Christoph Rohner2, and Doug C. Currie3 ABSTRACT.—Black fly feeding and infection with the blood parasite Leucocytozoon spp. caused mortality in juvenile Great Horned Owls (Bubo virginianus) in the Yukon, Canada during 1989-1990. The mortality occurred during a year of food shortage corresponding with the crash in snowshoe hare (Lepus americanus) populations. We postulate that the occurrence of disease was mediated by reduced food availability. Rohner (1994) evaluated the numerical re- black flies identified from Alaska, USA and the sponse of Great Horned Owls (Bubo virginianus) Yukon Territory, Canada, 36 percent are orni- to the snowshoe hare (Lepus americanus) cycle thophilic, 39 percent mammalophilic and 25 from 1988 to 1993 in the Kluane Lake area of percent autogenous (Currie 1997). Numerous southwestern Yukon, Canada. The survival of female black flies were obtained from the car- juvenile owls was very high during 1989 and casses of the juvenile owls, but only 45 of these 1990, both years of abundant hare populations. were sufficiently well preserved for identifica- Survival decreased in 1991, the first year of the tion. They belonged to four taxa as follows: snowshoe hare population decline (Rohner and Helodon (Distosimulium) pleuralis (Malloch), 1; Hunter 1996). Monitoring of nest sites Helodon (Parahelodon) decemarticulatus combined with tracking of individuals by radio- (Twinn), 3; Simulium (Eusimulium) aureum Fries telemetry provided us with carcasses of 28 ju- complex, 3; and Simulium (Eusimulium) venile owls found dead during 1990 and 1991 canonicolum (Dyar and Shannon) complex, 38 (Rohner and Doyle 1992). -
Wallowa Wolverine Project: 2011‐2012 - April Progress Report
Wallowa Wolverine Project: 2011‐2012 - April Progress Report Wallowa‐Whitman National Forest Field work began on 26 September 2011 and by the end of April 2012, we had established 26 camera stations in and adjacent to the Eagle Cap Wilderness in the Wallowa‐Whitman National Forest (Table 1). Access to camera sites was on foot, horse, snowmobile, ATV, skis, and snowshoes. The 6 camera stations that had wolverine visits in late winter 2011 were reestablished this season. Ten of the stations were below 6000’ elevation (4784’‐5820’). The remaining stations were located between 6014’ and 7373’ elevation. Additional stations may be added in May or June, depending on travel conditions in the mountains. One station was removed (WCAM1) because of its proximity to where the wolverine Stormy was trapped in December to prevent habituation of the wolverine to this site. Of the 26 established camera stations, 24 (92%) have been checked at least once (total=57 checks) and at these stations, there were 2,680 active camera days. One wolverine (Stormy; Fig.1‐3) has been photographed at 7 stations, including 4 stations where he was photographed in 2011. No other wolverines have been photographed to date. Eighteen other species have been detected at the camera stations (Table 2). Marten have been detected at 21 of the 24 (88%) stations that have been checked so far, and marten hair was collected at many of these stations and submitted for DNA analysis. We flew tracking flights on 6 days (Fig. 4), most in April, and have located wolverine tracks, or probable wolverine tracks, in 3 areas. -
2015 Disease Summary
SUMMARY OF DISEASES AFFECTING MICHIGAN WILDLIFE 2015 ABSCESS Abdominal Eastern Fox Squirrel, Trumpeter Swan, Wild Turkey Airsac Canada Goose Articular White-tailed Deer Cranial White-tailed Deer Dermal White-tailed Deer Hepatic White-tailed Deer, Red-tailed Hawk, Wild Turkey Intramuscular White-tailed Deer Muscular Moose, White-tailed Deer, Wild Turkey Ocular White-tailed Deer Pulmonary Granulomatous Focal White-tailed Deer Unspecified White-tailed Deer, Raccoon, Canada Goose Skeletal Mourning Dove Subcutaneous White-tailed Deer, Raccoon, Eastern Fox Squirrel, Mute Swan Thoracic White-tailed Deer Unspecified White-tailed Deer ADHESION Pleural White-tailed Deer 1 AIRSACCULITIS Egg Yolk Canada Goose Fibrinous Chronic Bald Eagle, Red-tailed Hawk, Canada Goose, Mallard, Wild Turkey Mycotic Trumpeter Swan, Canada Goose Necrotic Caseous Chronic Bald Eagle Unspecified Chronic Bald Eagle, Peregrine Falcon, Mute Swan, Redhead, Wild Turkey, Mallard, Mourning Dove Unspecified Snowy Owl, Common Raven, Rock Dove Unspecified Snowy Owl, Merlin, Wild Turkey, American Crow Urate Red-tailed Hawk ANOMALY Congenital White-tailed Deer ARTHROSIS Inflammatory Cooper's Hawk ASCITES Hemorrhagic White-tailed Deer, Red Fox, Beaver ASPERGILLOSIS Airsac American Robin Cranial American Robin Pulmonary Trumpeter Swan, Blue Jay 2 ASPERGILLOSIS (CONTINUED ) Splenic American Robin Unspecified Red-tailed Hawk, Snowy Owl, Trumpeter Swan, Canada Goose, Common Loon, Ring- billed Gull, American Crow, Blue Jay, European Starling BLINDNESS White-tailed Deer BOTULISM Type C Mallard -
Barn Owl (Tyto Alba) Caleb G
Barn Owl (Tyto alba) Caleb G. Putnam Status: State Endangered, Casual (MBRC) these reports occurred during MBBA II, two one-day wonders at Tawas Point State Park, Iosco County, were clearly migrants and may have pertained to the same individual. The third, present for two days in July 2002 in Washtenaw County, yielded possible breeding evidence. This compares to one breeding confirmation and five non-breeding season observations during MBBA I. After the MBBA II period, a single Barn Owl was observed in and near a barn on 7 September 2009 in Penn Township, Cass County and several dropped feathers were retrieved (MBRC 2010, Putnam 2010). Still, it seems likely that the period between the two Tawas Point, Iosco County, MI. 5/17/2007 atlases witnessed the conclusion of this species’ © Caleb Putnam regular breeding in the state. The monkey-faced Barn Owl has the dubious Historically, breeding activity occurred distinction of being one of Michigan’s few primarily from March to June, with occasional extirpated breeding bird species. Formerly an records into October during times of high uncommon to rare breeder in the southern LP, microtine abundance. The species shows a the species last nested in the early 1980s and has marked preference for human-made nest since been only infrequently encountered. This structures, in which a clutch of 3-11 eggs is laid. species is one of the most widely distributed of Eggs are incubated for about 30-34 days and the all land birds, being found on six continents and young are brooded an additional 52-56 days constituting approximately 28 to 35 subspecies (Ehrlich et al. -
Predator and Competitor Management Plan for Monomoy National Wildlife Refuge
Appendix J /USFWS Malcolm Grant 2011 Fencing exclosure to protect shorebirds from predators Predator and Competitor Management Plan for Monomoy National Wildlife Refuge Background and Introduction Background and Introduction Throughout North America, the presence of a single mammalian predator (e.g., coyote, skunk, and raccoon) or avian predator (e.g., great horned owl, black-crowned night-heron) at a nesting site can result in adult bird mortality, decrease or prevent reproductive success of nesting birds, or cause birds to abandon a nesting site entirely (Butchko and Small 1992, Kress and Hall 2004, Hall and Kress 2008, Nisbet and Welton 1984, USDA 2011). Depredation events and competition with other species for nesting space in one year can also limit the distribution and abundance of breeding birds in following years (USDA 2011, Nisbet 1975). Predator and competitor management on Monomoy refuge is essential to promoting and protecting rare and endangered beach nesting birds at this site, and has been incorporated into annual management plans for several decades. In 2000, the Service extended the Monomoy National Wildlife Refuge Nesting Season Operating Procedure, Monitoring Protocols, and Competitor/Predator Management Plan, 1998-2000, which was expiring, with the intent to revise and update the plan as part of the CCP process. This appendix fulfills that intent. As presented in chapter 3, all proposed alternatives include an active and adaptive predator and competitor management program, but our preferred alternative is most inclusive and will provide the greatest level of protection and benefit for all species of conservation concern. The option to discontinue the management program was considered but eliminated due to the affirmative responsibility the Service has to protect federally listed threatened and endangered species and migratory birds. -
Masters of the Air What Are Birds of Prey? Birds of Prey, Or Raptors, Are Amazing Animals
State of Illinois Illinois Department of Natural Resources Masters of the Air What are birds of prey? Birds of prey, or raptors, are amazing animals. They have large eyes that face forward, powerful talons and a hooked beak. Their food includes amphibians, birds, insects, mammals and reptiles. Scientists recognize eight major groups of birds as “birds of prey.” Buteos (large hawks) fly on wide, slow-beating wings which allow them to soar and search for prey. They perch on tree limbs and fence or telephone posts. Accipters (true hawks) have a long tail (like a rudder) and short rounded wings. When flying, they make several quick wing beats and then glide. True hawks are aggressive and very quick. Ospreys can be recognized by wings that appear to be “bent,” or angled, when they fly. Found near large bodies of water, they dive feet-first to catch fishes. Falcons have long, thin, pointed wings, a short bill and a streamlined body. They can fly very fast. Eagles are larger than hawks and have longer wings. Their bill is almost as long as their head. Harriers fly close to the ground. Their wings form a small “v” during flight. These birds have a long, thin body with long, rounded wings and long legs. Kites are medium-sized hawks with pointed wings. Their hooked beak helps them feed on their prey items, such as small mammals, reptiles and insects. Owls can turn their head around 270 degrees. Fringed outer wing feathers allow for silent flight. Their wings are rounded, and the tail is short. -
OWLS and COYOTES
AT HOME WITH NATURE: eLearning Resource | Suggested for: general audiences, families OWLS and COYOTES The Eastern Coyote The Eastern coyote, common to the Greater Toronto Area, is a hybrid between the Western coyote and Eastern wolf. Adults typically weigh between 10–22 kg, but thick fur makes them appear bigger. They have grey and reddish-brown fur, lighter underparts, a pointed nose with a red-brown top, a grey patch between the eyes, and a bushy, black-tipped tail. Coyote ears are more triangular than a wolf’s. Coyotes are not pack animals, but a mother will stay with her young until they are about one year old. Coyotes communicate with a range of sounds including yaps, whines, barks, and howls. Habitat Eastern coyotes are very adaptable and can survive in both rural and urban habitats. They often build their dens in old woodchuck holes, which they expand to about 30 cm in diameter and about 3 m in depth. Although less common, coyotes also build dens in hollow trees. Diet What is on the menu for coyotes? Check off each food type. Squirrels Frogs Grasshoppers Dog kibble Berries Rats Humans Food compost Garden vegetables Snakes Small birds Deer If you selected everything, except for humans, you are correct! Coyotes are opportunistic feeders that consume a variety of foods including fallen fruit, seeds, crops, and where they can find it pet food and compost. However, their diet is comprised mainly of insects, reptiles, amphibians, and small mammals. Their natural rodent control is beneficial to city dwellers and farmers alike. Preying on small mammals does mean though that our pets are on the menu, so it is important to keep them on leash close to you. -
Wildlife Spotting Along the Thames
WILDLIFE SPOTTING ALONG THE THAMES Wildlife along the Thames is plentiful, making it a great location for birding. Bald Eagles and Osprey are regularly seen nesting and feeding along the river. Many larger birds utilize the Thames for habitat and feeding, including Red Tailed Hawks, Red Shoulder Hawks, Kestrels, King Fishers, Turkey Vultures, Wild Turkeys, Canada Geese, Blue Herons, Mallard Ducks, Black and Wood Ducks. Several species of owl have also been recorded in, such as the Barred Owl, Barn Owl, Great Horned Owl and even the Snowy Owl. Large migratory birds such as Cormorants, Tundra Swans, Great Egret, Common Merganser and Common Loon move through the watershed during spring and fall. The Thames watershed also contains one of Canada’s most diverse fish communities. Over 90 fish species have been recorded (more than half of Ontario’s fish species). Sport fishing is popular throughout the watershed, with popular species being: Rock Bass, Smallmouth Bass, Largemouth Bass, Walleye, Yellow Perch, White Perch, Crappie, Sunfish, Northern Pike, Grass Pickerel, Muskellunge, Longnose Gar, Salmon, Brown Trout, Brook Trout, Rainbow Trout, Channel Catfish, Barbot and Redhorse Sucker. Many mammals utilize the Thames River and the surrounding environment. White-tailed Deer, Muskrat, Beaver, Rabbit, Weasel, Groundhog, Chipmunk, Possum, Grey Squirrel, Flying Squirrel, Little Brown Bats, Raccoon, Coyote, Red Fox and - although very rare - Cougar and Black Bear have been recorded. Reptiles and amphibians in the watershed include Newts and Sinks, Garter Snake, Ribbon Snake, Foxsnake, Rat Snake, Spotted Turtle, Map Turtle, Painted Turtle, Snapping Turtle and Spiny Softshell Turtle. Some of the wildlife species found along the Thames are endangered making it vital to respect and not disrupt their sensitive habitat areas. -
The Scientific Basis for Conserving Forest Carnivores: American Marten, Fisher, Lynx and Wolverine in the Western United States
United States The Scientific Basis for Conserving Forest Carnivores Department of Agriculture Forest Service American Marten, Fisher, Lynx, Rocky Mountain and Wolverine Forest and Range Experiment Station in the Western United States Fort Collins, Colorado 80526 General Technical Report RM-254 Abstract Ruggiero, Leonard F.; Aubry, Keith B.; Buskirk, Steven W.; Lyon, L. Jack; Zielinski, William J., tech. eds. 1994. The Scientific Basis for Conserving Forest Carnivores: American Marten, Fisher, Lynx and Wolverine in the Western United States. Gen. Tech. Rep. RM-254. Ft. Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. 184 p. This cooperative effort by USDA Forest Service Research and the National Forest System assesses the state of knowledge related to the conservation status of four forest carnivores in the western United States: American marten, fisher, lynx, and wolverine. The conservation assessment reviews the biology and ecology of these species. It also discusses management considerations stemming from what is known and identifies information needed. Overall, we found huge knowledge gaps that make it difficult to evaluate the species’ conservation status. In the western United States, the forest carnivores in this assessment are limited to boreal forest ecosystems. These forests are characterized by extensive landscapes with a component of structurally complex, mesic coniferous stands that are characteristic of late stages of forest development. The center of the distrbution of this forest type, and of forest carnivores, is the vast boreal forest of Canada and Alaska. In the western conterminous 48 states, the distribution of boreal forest is less continuous and more isolated so that forest carnivores and their habitats are more fragmented at the southern limits of their ranges. -
Measuring Owl Flight Noise
Measuring owl flight noise Thomas GEYER1; Ennes SARRADJ2; Christoph FRITZSCHE3 1;2 Chair for Technical Acoustics, BTU Cottbus - Senftenberg, Germany 3 now with the Thuringian State Institute for Environment and Geology, Germany ABSTRACT It is well known that most genera of owls are able to fly almost silently in order to hunt their prey. However, this knowledge is actually based on very few quantitative studies only. This is especially interesting regarding the fact that, against the background of increasing air traffic, the unique plumage adaptations of the owl responsible for the silent flight are the motivation behind various airframe noise reduction techniques such as serrations or porous trailing edges. Both by reviewing existing data and by means of appropriate experiments, the paper will first illustrate the special feather adaptations of owls and will expand upon their contribution to the silent flight. Then, following a brief review of existing measurement data on the silent owl flight from past studies, the paper will focus on more recent measurements of the noise generated by gliding owls. Thereby, two different approaches were followed: First, outdoor measurements of the noise emitted by gliding owls were performed using microphone array technology and a high speed camera setup to capture the flight path of the birds. Second, indoor measurements in an aeroacoustic open jet wind tunnel revealed the noise generated by prepared wings as well as their aerodynamic performance in terms of lift and drag forces. In both cases, special attention was paid to the difference between the flight noise of the owl compared to the noise of other, non-silently flying birds.