Channel Catfish

Posted on August 26, 2017 by tspuckler

While doing a little summertime fishing, I hooked one of these fine creatures. Channel Catfish are North America’s most numerous catfish species. In the United States, they are the most fished catfish species; their popularity for food has contributed to the rapid expansion of aquaculture of this species.

Like other catfish, they have no scales, a single bony spine in each pectoral fin and the dorsal fin, and 8 barbels (whiskers) around the mouth.

Channel Catfish live in a diverse array of habitats, including four of the five Great Lakes (Lake Superior excluded), inland lakes and medium to large rivers. Adult catfish typically inhabit deep pools with log jams or rocks for cover during the day and move into shallow water at night.

They are capable of living more than 15 years, and individuals up to 24 years of age have been reported. In ideal habitats, Channel Catfish often grow to over 30 inches and weigh more than 10 pounds.

Like all catfish, they will eat pretty much anything. Their diet includes insect larvae, crayfish, mollusks, small fish and clams, snails, worms and seeds. Channel Catfish mainly feed at night, and use their barbels to find food in the deep, dark water. Their impressive size and high quality flesh make these catfish deservedly popular as a sport fish.

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Silver-spotted Skipper

Posted on August 20, 2017 by tspuckler

This is Ohio’s largest skipper. It is long-winged and brown, with band of yellow-orange rectangular spots on forewings and unique, silver-white patch at center of hindwings.

These butterflies are named for their quick, darting flight habits. Most skippers have antenna tips modified into narrow hook-like projections.

The Silver-spotted Skipper is found throughout most of the United States and into southern Canada. In the West, it is more restricted to mountainous areas.

The odd-looking caterpillar has an enlarged head capsule and a pronounced neck collar, making it look a bit like a cartoon alien. When disturbed, the caterpillars regurgitate a greenish, bitter-tasting, defensive chemical.

Silver-spotted Skippers frequent edges of forests, swamps, brushy areas, and other open areas where nectar plants are found. We often have them visit our deck garden. Adults have long “tongues” and feed on nectar from a variety of flowers.

I enjoy seeing these summertime creatures both at home and while out hiking.

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Cooper’s Hawk

Posted on August 12, 2017 by tspuckler

While doing yard work this week, I noticed this creature perched on a tree in my front yard. Copper’s Hawks often visit suburban homes to pick off songbirds from feeders.

I have also seen them in Brecksville Reservation – they among the bird world’s most skillful fliers – their short wings allow them to navigate through cluttered trees at high speeds in pursuit of other birds.

Cooper’s Hawks are forest and woodland residents, but suburbs with enough trees are a favorite habitat as well.

These crow-sized raptors mainly eat birds. Small birds tend to be safer around Cooper’s Hawks than medium-sized birds. They sometimes rob rodent nests and mammals are more common in diets of Cooper’s Hawks in the West.

While they can soar in classic hawk fashion, when in pursuit of prey, their flight changes. It becomes becomes powerful, quick, and very agile, allowing the bird to thread its way through tree branches at top speed.

Other common names for the Cooper’s Hawk include: big blue darter, chicken hawk, flying cross, hen hawk, quail hawk, striker, and swift hawk.

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Tamarack

Posted on August 5, 2017 by tspuckler

This tree often goes by the alternative common name American Larch. It is the only deciduous conifer that is native to Ohio, and it strongly prefers moist to wet sites in acidic soils.

Tamarack’s green needles turn a showy yellow in Fall before dropping to the ground as Winter approaches. This is a medium to large sized tree that usually grows to 40-60 feet tall with an open pyramidal shape and horizontal branching.

Its slender green needles grow in brush-like clusters which appear at the ends of short spur-like shoots spaced along the branches.

Tamarack produces tiny rounded cones up to 1 inch, that start off red and eventually mature to brown. The bark on mature trees is a scaly, reddish-brown.

Tamaracks are very cold tolerant and able to survive temperatures down to at least -65 °C (-85 °F). They commonly occur at the Arctic treeline at the edge of the tundra. It is one of the northernmost occurring trees in North America, as well as the world.

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Hummingbird Moth

Posted on July 29, 2017 by tspuckler

One of the coolest insect pollinators are Hummingbird Moths. They fly and move just like hummingbirds. They can remain suspended in the air in front of a flower while they unfurl their long tongue to sip nectar.

To add to the illusion, Hummingbird Moths are rather plump and the tips of their tails open into a fan. They even emit an audible hum like hummingbirds.

Honeysuckles are one of the favored plants of both the adults and the caterpillars. This moth seemed particularly fond of Bee Balm.

Moths that are freshly emerged from their cocoons have solid-colored wings, nearly black in appearance. With first flight, their flapping wings cause most of the scales to fall off, especially near the center of each wing. The end result is wings that are nearly scale-less and therefore look clear.

This insect belongs to a group known as is Sphinx Moths. This name came about from the habit the caterpillars have of rearing up (and looking sphinx-like) when threatened.

Nature has many clever disguises and this is one of my favorites – a moth that mimics a bird.

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Hapalopilus croceus

Posted on July 22, 2017 by tspuckler

While hiking in the Cuyahoga River Valley, I noticed the orange glow of Hapalopilus croceus (this fungus has no common name) displaying its brilliant color.

I have never encountered (or heard of) this organism before, so it was an unexpected find. This is a rather uncommon fungus found in Asia, Europe, Oceania, and North America. Hapalopilus croceus is nationally red-listed (threatened) in 11 European countries.

When fresh, this mushroom has a vibrant orange color, but it tends to fade or brown with age. This conspicuous wood-inhabiting fungus has habitat confined to wooded meadows and pastures.

The stalkless, broadly attached, fan-shaped fruiting body has a colorful cap and grows on decaying broadleaf wood, especially fallen Oaks.

Like its polypore relatives, Hapalopilus croceus contributes a crucial role in nature’s continuous rebirth, by breaking down dead wood and turning it into useful nutrients.

Fungi digest their food outside their bodies by releasing enzymes into the surrounding environment and converting organic matter into a form they can absorb; nothing else is able to perform the function of reducing dead wood back down into soil.

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Melanistic Eastern Garter Snake

Posted on July 15, 2017 by tspuckler

Eastern Garter Snakes have a very large range, and within that range a number of color and pattern variations occur. Perhaps the most interesting being the version with no color or pattern. In northwest Ohio, populations of all-black snakes can be found along with their standard-looking relatives.

Melanistic Eastern Garter Snakes are predominantly a deep black. Immediately after shedding their skin they can be extraordinary beautiful. Also, the underside is completely black. I came across several individuals on a recent trip to northwest Ohio, as well as many examples of striped garters, which would be considered typical in appearance.

Often the chin, lip and some scales on the side of the head, can have their normal color of whitish or brownish. Melanism can be thought of as the opposite of albinism. While albinism is the absence of melanin (a dark colored pigment found in skin), melanism is the overabundance of melanin, leading to an individual with an abnormal amount of black coloration.

Mutations that lead to melanism can arise randomly in any animal that has melanin; however, mutations that cause melanism and albinism are uncommon. This leads to sporadic occurrences of a color abnormality that randomly occur across multiple populations. For a trait like melanism to sustain itself in a population, being melanistic must benefit the individual in some way (give it an increased chance of survival).

In the Eastern Garter Snake, being melanistic makes it faster for an individual to warm up while basking in the sun. The color black absorbs light wavelengths efficiently, resulting in the black individual gaining more heat energy than the yellow and brown striped individuals. This give them a competitive edge on the cool Lake Erie shore.

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Common Bladderwort

Posted on July 8, 2017 by tspuckler

While hiking along the Cuyahoga River, I encountered this very widespread species within the United States and throughout the Northern Hemisphere. It is usually overlooked by nature enthusiasts, but is a common sight in wet ditches and wetlands across the state.

Bladderwort is a carnivorous species many have learned about in their junior high/middle school science classes. Small bladders are inflated sacs that are triggered to ensnare tiny aquatic organisms. The bladders are scattered in the leaves, which is one of the distinguishing characteristics of the Common Bladderwort.

The bladders also fill with air to keep the plant afloat during the flowering period and fill with water to sink the plant when it goes into dormancy.

Up to 20 bright yellow one-half to three-quarter inch snapdragon-like flowers form at the top of a stout reddish green stem, emerging up to 8 inches above the waterline. The flowers have finely articulated red veins.

This plant is free floating and has no roots. Although the commonly held view is that the bladders of bladderworts are for capturing and digesting microorganisms that provide the plant with nutrients, bladders more often have been observed to contain communities of microorganisms (bacteria, algae, and diatoms) living in the bladders, not as prey, suggesting that the bladders may also, and perhaps more importantly, serve to establish mutually beneficial relationships with some microorganisms.

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Long-jawed Orb Weaver

Posted on July 1, 2017 by tspuckler

Long-jawed Orb Weavers are named because of their large fangs, which are, in some species, longer than the spider’s cephalothorax (first body segment).

Like all spiders, babies hatch from eggs and look like tiny adults. They shed their skin as they grow. Most spiders in this family live for less than one year. They mate and lay eggs at the end of the Summer and the young spiders hatch during the following Spring.

Long-jawed Orb Weavers can have a two inch leg span and are skinny. Most are tan with white and yellow markings. They are common in low-growing vegetation and in row crops. I tend to see them at the edges of the Ohio & Erie Canal while hiking on the towpath. Below is a photo one one that I saw eating another of its own species.

To avoid being eaten by predators, they drop from their web at out at the slightest disturbance, or carefully camouflaging themselves by lining up with the long axis of a twig or grass blade.

Most members of this family do not build vertical webs, they are usually tilted and sometimes close to horizontal. The bizarre appearance of this creature with its over-sized mandibles makes it a favorite of mine.

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Broadhead Skink

Posted on June 25, 2017 by tspuckler

While visiting Virginia this month, I came across a lizard that I have not seen in a few years. The Broadhead Skink can grow to over a foot long and is the northeast’s largest lizard.

This reptile is essentially a woodland inhabitant. It easily climbs trees and can sometimes be observed high in the branches of dead trees.

Though Broadhead Skinks live in trees and prefer open forest habitats, they can also found hunting, mating and nesting on the ground. Here is one that I saw crossing a gravel road in southern Illinois a few years back.

The female and young closely resemble the female and young of the smaller Five-lined Skink. This is an immature specimen which has a bright blue tail. Adult males are a uniform olive-brown, often sporting a considerable amount of red-orange coloration on their enlarged heads.

Their diet is comprised of mostly insects. Broadhead Skinks search for food in trees and on the the ground using visual and scent signals, which are detected by tongue flicking.

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Tim Spuckler's Blog

Reptile Ramblings and More

Channel Catfish

Silver-spotted Skipper

Cooper’s Hawk

Tamarack

Hummingbird Moth

Hapalopilus croceus

Melanistic Eastern Garter Snake

Common Bladderwort

Long-jawed Orb Weaver

Broadhead Skink