Grassland & Open Field Birds

Mourning Dove (Zenaida macroura)

Length: 28–33 cm | Wingspan: 45–46 cm | Weight: 96–170 g

Plumage: Soft gray‑brown body, black wing spots, long pointed tail with white edges.

Sexual Dimorphism: Minimal; males slightly rosier on breast.

Juveniles: Scaly pattern on wings; duller overall.

Diet: 99% seeds (grasses, grains, weeds); occasional snails.

Seasonal Diet Shift: Minimal; winter flocks forage on waste grain.

Breeding Biology: Extremely prolific; up to 6 broods per year.

Nest: Flimsy platform of twigs; placed in trees, shrubs, or on structures.

Clutch Size: 2 eggs; incubation 14 days.

Fledging: 12–15 days.

Lifespan: Typically 1.5 years; oldest 31 years.

Migration: Partial; many remain in Ohio year‑round.

Vocalizations: Soft, mournful “coo‑OO‑oo.”

Behavior: Fast, whistling flight; ground forager.

Ohio Distribution: Statewide in open habitats.

Conservation Status: Stable.

Eastern Meadowlark (Sturnella magna)

Length: 19–28 cm | Wingspan: 35–40 cm | Weight: 90–150 g

Plumage: Bright yellow breast with bold black “V”; brown streaked back.

Sexual Dimorphism: Minimal.

Juveniles: Duller yellow; faint “V.”

Diet: Insects (grasshoppers, beetles), seeds, grains.

Seasonal Diet Shift: More seeds in winter.

Breeding Biology: Ground nester; dome‑shaped grass nest.

Nest: Hidden in tall grass.

Clutch Size: 2–6 eggs; incubation 13–15 days.

Fledging: 10–12 days.

Lifespan: Typically 5 years; oldest 10 years.

Migration: Partial; some remain in southern Ohio.

Vocalizations: Clear, flute‑like whistles.

Behavior: Perches on fence posts; sings from exposed spots.

Ohio Distribution: Declining in agricultural regions.

Conservation Status: Near Threatened (habitat loss).

Killdeer (Charadrius vociferus)

Length: 20–28 cm | Wingspan: 46–48 cm | Weight: 80–130 g

Plumage: Brown upperparts, white belly, two black breast bands.

Sexual Dimorphism: Minimal.

Juveniles: Single breast band; duller plumage.

Diet: Insects, worms, small crustaceans.

Seasonal Diet Shift: More beetles in summer.

Breeding Biology: Ground nester; eggs laid on gravel.

Nest: Simple scrape lined with pebbles.

Clutch Size: 4–6 eggs; incubation 24–28 days.

Fledging: Precocial; chicks walk immediately.

Lifespan: Typically 3–5 years; oldest 10 years.

Migration: Partial; many overwinter in Ohio.

Vocalizations: Loud “kill‑deer!” call.

Behavior: Famous for “broken‑wing” distraction display.

Ohio Distribution: Statewide in open areas.

Conservation Status: Stable.

Horned Lark (Eremophila alpestris)

Length: 16–20 cm | Wingspan: 30–36 cm | Weight: 28–40 g

Plumage: Pale brown back, yellow face, black “horns.”

Sexual Dimorphism: Males brighter.

Juveniles: Spotted and duller.

Diet: Seeds, insects.

Seasonal Diet Shift: More insects in breeding season.

Breeding Biology: Ground nester; early breeder.

Nest: Cup in shallow depression.

Clutch Size: 2–5 eggs; incubation 10–12 days.

Fledging: 8–10 days.

Lifespan: Typically 3–5 years.

Migration: Partial; winter flocks common.

Vocalizations: High tinkling song.

Behavior: Walks rather than hops.

Ohio Distribution: Northern and western Ohio.

Conservation Status: Declining.

Bobolink (Dolichonyx oryzivorus)

Length: 15–20 cm | Wingspan: 27–30 cm | Weight: 29–56 g

Plumage: Males black with white back and yellow nape; females buffy with streaks.

Sexual Dimorphism: Strong.

Juveniles: Similar to females.

Diet: Insects, seeds, grains.

Seasonal Diet Shift: More seeds during migration.

Breeding Biology: Ground nester in tall grass.

Nest: Hidden in dense vegetation.

Clutch Size: 3–7 eggs; incubation 10–13 days.

Fledging: 10–11 days.

Lifespan: Typically 5–9 years.

Migration: Long‑distance to South America.

Vocalizations: Metallic, bubbling song.

Behavior: Polygynous; males defend territories.

Ohio Distribution: Declining; found in large grasslands.

Conservation Status: Near Threatened.

Savannah Sparrow (Passerculus sandwichensis)

Length: 12–17 cm | Wingspan: 18–25 cm | Weight: 15–29 g

Plumage: Streaked brown with yellow eyebrow spot.

Sexual Dimorphism: Minimal.

Juveniles: Similar but duller.

Diet: Insects, seeds.

Seasonal Diet Shift: More seeds in winter.

Breeding Biology: Ground nester.

Nest: Hidden in grass clumps.

Clutch Size: 3–5 eggs; incubation 10–13 days.

Fledging: 8–11 days.

Lifespan: Typically 3–6 years.

Migration: Migratory; common in Ohio during migration.

Vocalizations: Insect‑like buzz.

Behavior: Low, fluttering flight.

Ohio Distribution: Breeds in NE Ohio; migrants statewide.

Conservation Status: Stable.

Field Sparrow (Spizella pusilla)

Length: 12–15 cm | Wingspan: 18–21 cm | Weight: 11–15 g

Plumage: Warm brown back, pink bill, plain face.

Sexual Dimorphism: Minimal.

Juveniles: Streaked breast; duller.

Diet: Seeds, insects.

Seasonal Diet Shift: More insects in summer.

Breeding Biology: Ground or low shrub nester.

Nest: Grass cup.

Clutch Size: 2–5 eggs; incubation 10–12 days.

Fledging: 7–9 days.

Lifespan: Typically 3–5 years.

Migration: Partial; many overwinter in Ohio.

Vocalizations: Sweet, accelerating trill.

Behavior: Prefers shrubby fields.

Ohio Distribution: Statewide.

Conservation Status: Declining slightly.