Ohio State University Extension
OHIO’S WOODPECKERS: FLICKERS, SAPSUCKERS, DOWNIES, AND MORE! Marne Titchenell Wildlife Program Specialist School of Environment and Natural Resources What Will We Talk About: – Amazing abilities of woodpeckers
– Woodpecker Habitat
– The Life of a Woodpecker
– Ohio’s Woodpeckers
– Attracting Woodpeckers
The Woodpeckers: Nature’s Power Tools
– Highly specialized group of birds
• Nature’s power tools
• Carpenters of the bird world
• Specialize in cavity excavation
• Insect excavators The Woodpecker Family
– Picidae • Piculets (2) • Wrynecks ‐ Genus Jynx • Picids ‐ Woodpeckers ‐ Sapsuckers
– US woodpeckers are picids • 22 species • 7 in Ohio
Diversity of Family Picidae
Smallest & Largest - Worldwide Smallest & Largest – United States
Bar-breasted Piculet Downy Woodpecker
Pileated Woodpecker
Imperial Woodpecker The Ivory-Billed Woodpecker Story
– Largest woodpecker north of Mexico
– Was found in mature forests in southeast US
– Believed to be extinct since mid-1900’s
– Rediscovered in Arkansas, 2005
– Controversy over rediscover, still no agreement
The Woodpeckers: Very Specialized Family
– Avoiding brain damage – Specialized beak – Long tongue with modified tip – Protected nostrils and eyes – Short legs and strong toes – Stiff tail feathers – Protective coloring – Large ribs for extra muscle attachment The Woodpecker: World’s Best Shock Absorber Strength and speed of impact:
• 100 times per minute • Speeds of 12-15 mph • Force of 600-1500 G’s • Decelerating after 1200 G’s = coming to compete stop from 26,000 mph
– Human left with concussion after 100 G’s
– How do woodpeckers avoid brain damage on a daily basis?? The Woodpecker: World’s Best Shock Absorber
– Frontal bone in skull • Helps keep upper bill in place
– Cartilage for cushion • Extra between bill and skull to absorb shock ‐ Protractor muscle
– Perfect aim • Each blow delivered straight on (perfect right angle)
– Tiny padded brain • Brain lacks the mass to develop enough inertia to cause damage • Brain placement in skull and 90 degree angle attack ‐ Shock wave travels below brain A Little Extra Muscle Never Hurts
– Wider neck ribs for more muscle attachment
• More muscle to absorb shock and constantly drill, peck, hack, and whack!
That’s One Weird Looking Tongue!
– Tongue bone • Hyoid apparatus ‐ Long slender, flexible bones ‐ Serve as attachment site for muscles ‐ Longer tongue = more muscles = more extension and strength
Why are Woodpecker Tongues so Special? – It’s on the tip of the tongue…
• Sensitive • Sticky • Hairy • Barbed
Specialized Beak
– Shape – Length – Size
– Self sharpening • Bony inner structure covered with durable, leathery sheath (ramphotheca) ‐ Constantly growing • Like fingernails ‐ Constantly sharpened by everyday abrasion Safety Glasses and Nose Protection
– Feathers to protect nostrils and filter air
– Eyes tightly fit in skull
• Prevents injury during pecking
– Blink to protect eye
• Also serves as “seat belt”
– Well positioned eyes
• Will see predators when tree directly in front of them • See quite well and in color
Strong Feet and Tail Feathers
– Amazing feet
• Zygodactyl toes ‐ Two toes forwards ‐ Two toes backward
– Tail feathers
• 3rd leg of the tripod
• Center 2 feathers longest and strongest ‐ Pointed tips, reinforced shaft, strong interlocking barbs ‐ Molted last
Protective Clothing
– Disruptive Coloration • Helps to conceal from predators • Sharp contrast breaks up and hides shape and outline Meet Ohio’s Woodpeckers!
Woodpecker Habitat Needs
– Trees a requirement
• For nesting and feeding • Larger the woodpecker, larger the tree needed ‐ Pileated woodpecker
– Exception to the rule:
‘ • Gila Woodpecker ‐ Resides in southwest deserts and into Mexico Saguaro Cactus
Woodpecker Habitat Needs
– Food • Insects main food ‐ Eggs, larvae, adults ‐ Ants and beetles • One flicker stomach had over 3,000 ants in it! ‐ Moths and butterflies ‐ Caterpillars ‐ Spiders
Woodpecker Habitat Needs
– Food Oooo, a • Bird eggs and nestlings plane! ‐ Red-bellied woodpecker • Fruit (berries)
Woodpecker Habitat Needs
– Food • Acorns, seeds, nuts ‐ A few species will cache nuts over winter • Red-headed woodpecker
Woodpecker Habitat Needs
– Acorn Woodpecker • Drills acorn sized holes into trees ‐ Granary – primary tree for each family ‐ Up to 50,000 holes each with 1 acorn
Woodpecker Habitat Needs
– Food
• Sap ‐ Yellow-bellied sapsucker ‐ Feed at sapwells • Small holes pecked in neat rows ‐ Sap is about 20-30% of their diet
• Other wildlife benefits
• Tree usually heals
Woodpecker Habitat Needs
– Food
• Sap ‐ Yellow-bellied sapsucker ‐ Feed at sapwells • Small holes pecked in neat rows ‐ Sap is about 20-30% of their diet
• Other wildlife benefits
• Tree usually heals
Woodpecker Habitat Needs
– Migration • Yellow-bellied sapsucker ‐ Stopover in Ohio to feed and rest
– Rest of Ohio woodpeckers remain year round
Woodpecker Communication
‐ Calls not songs ‐ Single note repeated over and over ‐ Most woodpeckers have variety of calls
- Used for communication - Territoriality - Mating - Alarm
- Drumming - Also form of communication - Mainly during breeding season
Woodpecker Breeding Season
– Starts with males securing territories in early spring • Large the bird = larger the territory ‐ Downy – ½-1 acre ‐ Pileated – 1-2 sq. miles
– Cavity excavation • Most create their own • Flickers will use existing cavity Are you about done with that cavity?
– Tree selection • Decaying tree or live tree ‐ Live trees can work for larger woodpeckers
Woodpecker Cavity Excavation
– Male begins excavation • Cavity preparation pair bonding • Male does most of the work • Can take 1-3 weeks ‐ Pileated – 3-6 weeks
– Entrance hole as small as possible • Clue to woodpecker species ‐ Downy – 1 ¼” circle ‐ Pileated – 3½ x 4” oval
Woodpecker Reproduction
– Color of bird eggs VIP • Camouflage
– Woodpeckers lay white eggs • No camouflage needed
– Most only one brood a year • Hairy – 6 eggs • Red-headed – 10 eggs
– Both parents incubate, feed, and raise young • Both have brood patches
Hatching Time! Ohio’s Woodpeckers
Pileated Woodpecker
–Largest Ohio woodpecker (and US)
–Habitat • Large tract of mature woods • Large trees for roosting • Carpenter ants, wood- boring insects and other invertebrates, & mast
Pileated Woodpecker
– Fairly common across range
Northern Flicker
Red Shafted - Western – Pic Flamboyant (French) • Large, brown noisy, animated, uniquely patterned woodpecker
– Habitat • Woodlands, forest edges, Yellow Shafted – East & North & open fields with scattered trees, as well as city parks and suburbs • Ground-loving – ant eater, also beetles and other inverts, and mast ‐ Pecks soil for ants
Northern Flicker
Red Shafted - Western
Yellow Shafted – East & North
–Widespread and common throughout range
Red-bellied Woodpecker
– Despite name, red belly rarely visible
– Habitat • Most forests, woodlands, and wooded suburbs of the eastern United States • Insects, spiders, and other arthropods, mast, and sometimes lizards and nestling birds ‐ Barbed tongue with sticky saliva
– Populations increasing throughout most of range Red-headed Woodpecker
– Bold patterns earned nickname – “flying checker board” • Males and females identical
– Habitat • Woodlands with oak or beech, groves of dead or dying trees, and open areas (burned, harvested) • 1/3 insect and 2/3 mast ‐ Seeds, berries, nuts ‐ Successful aerial hawkers juvenile Red-headed Woodpecker
– Once common throughout range, now uncommon and local in many regions • Nomadic Yellow-bellied Sapsucker
–Ohio’s only migratory woodpecker • April-May except NE Ohio
–Habitat • Young forests and edge habitat, esp. forests regenerating from timber harvesting • Sap is primary food, but also insects (ants and spiders)
Yellow-bellied Sapsucker
– Widest range of 4 species of sapsuckers in US • Populations stable, but require young forests Hairy Woodpecker
– Larger of 2 look-alikes of Can I help you with something? Ohio woodpeckers • Hairy – larger, longer bill and body ‐ Bill roughly as long as head ‐ All white outer tail feathers
– Habitat • Mature woodlands with medium to large trees ‐ Urban and rural areas • 75% diet is insects • Readily visits suet feeders
Hairy Woodpecker
Can I help you with something?
– One of most widespread of all NA woodpeckers Downy Woodpecker
‐ Smallest woodpecker in Ohio and US • Bill roughly 1/3 size of head • Black spots on white outer tail feathers
- Habitat • Open woodlands, particularly deciduous woods and along streams ‐ Rural and urban areas • Diet mainly insects • Readily visits suet feeders
Downy Woodpecker
– Numerous across range with stable population numbers Attracting Woodpeckers
– Trees a requirement • Dead or dying trees ‐ In multiple stages of decay
– Size of woodlot • Small – Downie, Hairy, Red- bellied • Larger – Pileated
– Nest boxes where cavities and snags lacking • Flickers
– Feeders • Especially in winter!
– Bird baths Nuisance Woodpeckers
– Problems:
• Damage to building • Usually between June – Feb.
– Management Options:
‘ • Woodpeckers are protected by law ‐ Can not physically harm them
• Scare tactics • Window decals, reflective materials (CDs, mylar tape), loud noises
• Netting ‐ Excludes woodpeckers
• Tactile repellents ‐ Birds don’t like sticky feet
Woodpecker helping trees, too!
– Alphabet soup for dinner! • EAB and ALB ‐ Emerald Ash Borer and Asian Longhorned Beetle Online Resources –Cornell Lab of Ornithology – All About Birds • www.allaboutbirds.org
–Internet Center for Wildlife Damage Management • www.icwdm.org Questions? –OSU Woodland Stewards • www.woodlandstewards.osu.edu
–Marne Titchenell • [email protected] • 614-292-0402