Frank Sengpiel π¨πΌβπ¬π§ π΅π¦π¦π¦πΊ
@CactusFrankS
Neuroscientist, Emeritus Prof at Cardiff University, cactophile, wildlife enthusiast. Borussia Dortmund fan. Views mainly through the viewfinder of my camera π·
I think it's about time that I do my Twitter handle justice, so here is a collage of cactus (and a few other succulent) flowers from the last two months. @CactusSucculent #cacti #succulents




Lovely to see a Goldcrest family on Bodmin moor yesterday. @CBWPS1 #birding #NaturePhotography #wildlifephotography #Naturelovers #birds #birdphotography
My car windows were open and my camera was on the passenger seat just in case I saw a bird on the way to the village - and what a bird! 1/2
#ChihuahuanDesert today. Mother and child reunion (ocotillo style); barrel cactus flower; prickly pear Venn diagrams; barrel cactus blossom and buds.
I just counted 6 butterflies in the Big #ButterflyCount. Help @SaveButterflies & join in β¦erflycount.butterfly-conservation.org/count/28954889 #ButterflyCount 4x Small White, 1x Large White, 1x Gatekeeper Speckled Wood and Comma showed up after the count.
#ChihuahuanDesert today. We encountered our first small Western Diamondback Rattlesnake this morning. Willow was on lead and got nowhere near the rattler.
I fulfilled the dream of seeing the Andean cock-of-the-rock β€οΈ
#ChihuahuanDesert today. More rain yesterday has greened the desert up; across the desert to the western flank of Tortugas Mountain; Desert Cardinal; ocotillos, Tortugas Mountain and the Organ Mountains.
We know Frank will be popular with our guests, and he's going to be involved in a good many tours going forwards, starting with our popular Spring Butterflies in the French Pyrenees on 20-27 May 2026. Bookings are already being taken for that one! (2/2) mariposanature.com/tours/butterflβ¦
We're absolutely delighted to announce that @CactusFrankS has joined Team Mariposa! Frank is a superb addition to our tour leading team, with a formal biology background, a lifelong love of natural history, and he's erudite & charming too. He say's he's the guy on the left! (1/2)
BREAKING NEWS Cardiff Council confirms that there was no lawful permission for Blackweir Live to have taken place in Grade 1 Listed Bute Park In giving this project his personal backing, Council Leader Huw Thomas should now consider his position
Highlight of day 4 of my butterfly recce in the Austrian Alps (Hohe Tauern): without a doubt the very rare White Speck Ringlet (Erebia claudina) which occurs only at a handful of very small sites




Highlights of day 3 in the Austrian Alps (Hohe Tauern): Mountain Fritillary aberration, Purple-edged Copper, Titania's Fritillary, Queen of Spain Fritillary




Iβd like to announce Iβm back on this app but since I donβt pay for premium, it will be seen by 4 people. Anyway to those 4 people, I captured something amazing this month π»
#ChihuahuanDesert today. The long view on a cool, rainy morning; Dayflowers; barrel cactus and the mountains; triple barrel.
My second Nightjar of the year! From today, whilst walking around a very wet Sherwood Forrest. @RSPBSherwood