Northern Cardinal (Cardinalis cardinalis)

Length: 21–23 cm | Wingspan: 25–31 cm | Weight: 33–65 g

Plumage: Males are vivid red with a black mask; females are warm buff‑brown with red tinges. Both sexes have a tall crest and thick orange bill.

Sexual Dimorphism: Strong; males are dramatically brighter.

Juveniles: Brown overall with dark bills; molt into adult coloration in fall.

Diet: 70% seeds (sunflower, safflower), 20% fruits (dogwood, sumac), 10% insects (beetles, caterpillars).

Seasonal Diet Shift: More insects during breeding season.

Breeding Biology: 2–3 broods per year; incubation 11–13 days; fledging 7–13 days.

Nest: Cup of twigs, bark, grasses; placed in dense shrubs 1–3 m high.

Lifespan: Typically 3 years; oldest recorded 15 years.

Migration: Non‑migratory; maintains territories year‑round.

Vocalizations: Clear whistles (“cheer‑cheer‑cheer”); females also sing.

Behavior: Territorial; males attack reflections during breeding season.

Predators: Hawks, owls, snakes, domestic cats.

Ohio Distribution: Statewide, abundant in suburbs and forest edges.

Conservation Status: Stable; benefits from feeders and mild winters.

American Goldfinch (Spinus tristis)

Length: 11–13 cm | Wingspan: 19–22 cm | Weight: 11–20 g

Plumage: Males bright yellow with black cap in summer; both sexes olive‑brown in winter.

Sexual Dimorphism: Moderate; males more vibrant.

Juveniles: Dull yellow‑brown with pale wingbars.

Diet: 95% seeds (thistle, sunflower, coneflower); occasional insects for nestlings.

Seasonal Diet Shift: Minimal; remains seed‑focused year‑round.

Breeding Biology: Latest nester of Ohio songbirds (July–August).

Nest: Tight woven cup of plant fibers lined with thistle down.

Clutch Size: 2–7 eggs; incubation 12–14 days.

Lifespan: Typically 3–6 years; oldest recorded 11 years.

Migration: Short‑distance; many remain in Ohio year‑round.

Vocalizations: Musical, rambling songs; flight call “potato‑chip.”

Behavior: Highly acrobatic; flocks in winter.

Ohio Distribution: Statewide in open areas and suburbs.

Conservation Status: Stable; thrives in human‑altered landscapes.

Blue Jay (Cyanocitta cristata)

Length: 25–30 cm | Wingspan: 34–43 cm | Weight: 70–100 g

Plumage: Blue crest, white face, black necklace, barred wings and tail.

Sexual Dimorphism: Minimal; sexes similar.

Juveniles: Similar to adults but duller with shorter crests.

Diet: Acorns, nuts, insects, eggs, nestlings, small vertebrates.

Seasonal Diet Shift: More insects in summer; more nuts in fall.

Breeding Biology: Monogamous; both parents feed young.

Nest: Cup of twigs, bark, mud; placed in trees 3–10 m high.

Clutch Size: 3–6 eggs; incubation 16–18 days.

Lifespan: Typically 7 years; oldest recorded 26 years.

Migration: Partial; some migrate, others remain year‑round.

Vocalizations: Harsh “jay! jay!”; mimics hawks.

Behavior: Intelligent; caches food; forms family groups.

Ohio Distribution: Statewide in forests and suburbs.

Conservation Status: Stable; expanding northward.

Eastern Bluebird (Sialia sialis)

Length: 16–21 cm | Wingspan: 25–32 cm | Weight: 28–32 g

Plumage: Males bright blue with rusty chest; females duller with grayish tones.

Sexual Dimorphism: Moderate; males more vibrant.

Juveniles: Spotted breast; grayish‑blue wings.

Diet: 70% insects (beetles, grasshoppers), 30% fruits (dogwood, sumac).

Seasonal Diet Shift: Winter diet almost entirely berries.

Breeding Biology: Cavity nester; uses nest boxes readily.

Nest: Grass cup in cavities 1–6 m high.

Clutch Size: 3–7 eggs; incubation 11–19 days.

Lifespan: Typically 6 years; oldest recorded 10 years.

Migration: Partial; southern Ohio retains wintering birds.

Vocalizations: Soft “cheer‑lee” and “tu‑wee.”

Behavior: Hunts from perches; forms winter flocks.

Ohio Distribution: Statewide in open habitats.

Conservation Status: Increasing due to nest box programs.

Carolina Chickadee (Poecile carolinensis)

Length: 11–13 cm | Wingspan: 16–20 cm | Weight: 8–12 g

Plumage: Black cap and bib, white cheeks, gray back, buff flanks.

Sexual Dimorphism: Minimal.

Juveniles: Similar but fluffier with duller bib.

Diet: Insects, seeds, berries; caches food.

Seasonal Diet Shift: More seeds in winter.

Breeding Biology: Cavity nester; excavates soft wood.

Nest: Moss, bark, fur; lined with plant down.

Clutch Size: 3–10 eggs; incubation 12–15 days.

Lifespan: Typically 2–4 years; oldest 10 years.

Migration: Non‑migratory.

Vocalizations: “Chick‑a‑dee‑dee‑dee”; more “dee” notes = higher threat.

Behavior: Social; forms mixed‑species flocks.

Ohio Distribution: Southern and central Ohio; hybrid zone with Black‑capped Chickadee in north.

Conservation Status: Stable.