Mt. Diablo SP; 5 hr, 48 min; 8.76 mi
170 - Rural Skipper
95 - California Sister
25 - Common Ringlet
20 - Variable Checkerspot
20 - Gorgon Copper
14 - Pale Swallowtail
13 - Great Basin Wood-Nymph
10 - Mylitta Crescent
8 - Hedgerow Hairstreak
7 - Two-tailed Swallowtail
7 - Echo Azure
6 - Acmon Blue
4 - Callippe Fritillary
4 - Gray Buckeye
4 - Cabbage White
3 - Western Tiger Swallowtail
2 - Northern Checkerspot
1 - Anise Swallowtail
1 - California Tortoiseshell
1 - Gray Hairstreak
1 - Mournful Duskywing
Total: 21 Species
https://ebird.org/checklist/S151754793
https://ebird.org/checklist/S151665597
2 - Sandhill Skipper
60 - Fiery Skipper
1 - Umber Skipper
1 - Field Skipper
3 - Woodland Skipper
1 - Sonoran Skipper
1 - Skipper Sp.
15 - Greenish Blue
3 - Boisduval’s Blue
2 - Reakirt’s Blue
1 - Acmon Blue
1 - Anna's Blue
1 - Blue Sp.
5 - Lilac-bordered Copper
1 - Ruddy Copper
21 - Copper Sp.
3 - Mourning Cloak
7 - California Tortoiseshell
1 - Milbert’s Tortoiseshell
1 - Hoary Comma
3 - Comma Sp.
4 - Painted Lady
3 - West Coast Lady
15 - Lady Sp.
2 - Great Basin Fritillary
3 - Mormon Fritillary
35 - Fritillary Sp.
1 - Red Admiral
1 - Lorquin’s Admiral
2 - Field Crescent
3 - Mylitta Crescent
3 - Checkered White
6 - Cabbage White
2 - White Sp.
60 - Orange Sulphur
5 - Monarch
12 - California Sister
2 - Common Checkered-Skipper
1 - Sylvan Hairstreak
1 - Gray Buckeye
1 - Clodius Parnassian
1 - Duskywing Sp.
Total: 34 Species
