Top Photo: Luna moth waits out the day clinging to a conifer. It’s always exciting to see a luna moth, whether its clinging to vegetation or gracefully fluttering though the trees. Though nocturnal, they’re quite often seen during the day. Males can be told from females by much broader, feathery antennae. The female’s antennae are feathery, but much less so. The added material on the male’s antennae assists in picking up the scent of pheromones given off by the females.Read more
YCNH and…
Top Photo: Immature plumaged yellow-crowned night-heron pays visit to wetlands. Night-herons have been observed in our wetlands four, perhaps, five times. All but one of those birds was a yellow-crowned night-heron (YCNH), the other, a black-crowned night-heron (BCNH). Of the YCNHs, one of them arrived in May and spent most of the 2011 summer. The other birds were only seen briefly, for one or a few days each. As you might suspect, night-herons often hunt at night and sleep awayRead more
Summer Odes
Top Photo: Male blue dasher perched and ready to sally forth. In the photo below a pair of blue dashers mate, assuming the “wheel” or “heart” position. This is when sperm is transferred from the male’s accessory genitalia to the tip of the female’s abdomen where her eggs will be fertilized. As I’ve mentioned before on this blog, great blue skimmers are the largest eastern skimmer. They’re a common sight at ponds, lakes, and slow moving rivers and streams. SlatyRead more
Final Nest Box Update 8.1.23
Top Photo: Eastern bluebird eggs. The bluebird nesting season here at the museum is officially over. There’s no activity in any of our six nest boxes. The table below is a total of all the birds fledged since 2012, when I first began monitoring the nest boxes. There were a total of 36 birds fledged this season. The best years for bluebirds were during the 2012, 2013, and 2014 seasons. Chickadees had their best years in 2013, 2018, and 2023,Read more
Tussocks and Other Summer Treats
Top Photo: Sycamore tussock moth caterpillar crawls along railing. If there are sycamore trees in the area you’re likely to run into one or more of these fuzzy, tufted caterpillars. The adult sycamore tussock moth has tan wings crossed with slightly darker bands on translucent membranes. More common and widespread than the sycamore tussock moth caterpillar, is the white-marked tussock moth caterpillar. It’s been reported munching on over 140 host plants including conifers. White-marked tussock moth’s adult form is aRead more
Nest Box Update 7.25.23
Top Photo: Eastern bluebird eggs. We are now down to zero nest activity. ————————— The Cow Pasture nest which held five house wren nestlings last week has fledged them all. I could hear them in the woods behind the nest box as we checked in on them this morning. The remaining five nest boxes are empty. ——————————— I’m calling the season over. I’ll make one last trip around the nest box trail at the start of next week, but IRead more
Spiny-backed Spider and More
Top Photo: Spiny-backed orb weaver (Gasteracantha cancriformis) Only about 1/2” wide, spiny-backed orb weavers are distinctive for their shape and pattern. The individual pictured is mostly white with black markings and red spikes. But, they may also be yellow or red with shades in between. The spines may be black. Some suggest the spines may deter predators such as birds or even subterranean-nesting, spider-seeking, solitary wasps. I doubt birds would be put off by the spikes. I must admit, though,Read more
Nest Box Update 7.11.23 and 7.18.23
Top Photo: Eastern bluebird eggs. (This post covers two weeks of nest box inspections due to my absence) We have one active nest, the Cow Pasture. ————————— The Cow Pasture nest has what looks to be five house wren nestlings. The oversized bills on the birds give it away. (Thanks to Ranger Dakota and Volunteer Sammie for getting a photo of the nestlings last week – 7/11/23). Previously, there were six eggs in the nest but in both photos, fromRead more
Shedding, Basking, and Waiting
Top Photo: A green anole in mid-molt. Air bubbles are visible under old, shedding skin of the green anole pictured here. Green anoles may shed as often as once a month, or as infrequently as once annually. They may eat their old shed skin. At first glance, the dragonfly below looks to have three pairs of wings, even four pair. In fact, eastern amberwings have two pairs of wings. The illusion is cause by the translucence of the dragonfly’s wings,Read more