As noted previously in this column, an invasive species is a non-native plant or animal that causes significant damage to wildlife and wildlife habitat. Invasive species cause billions of dollars of damage annually to crops, rangelands and waterways. An invasive species of concern in Central Ohio is common buckthorn (Rhamnus cathartica).
Invasive species: Buckthorn (Rhamnus cathartica) Read More »
Dick Tuttle provides us with a spring update on American Kestrels and Ospreys nesting in the “homes” that he and his colleagues provide for them in Delaware County. Read Dick’s latest update on his efforts and the nesting success of these popular species.
Kestrels and Ospreys: April, 2010 Read More »
The scientific name means ‘whiteheaded sea-eagle’, which is quite appropriate given their appearancee and fondness for wide-open seashores and lakeshores. They’re part of a large group of sea-eagles, long-winged coastal birds quite different from the stockier Golden Eagles more common in arid inland areas of North America, Europe, and Asia. This is yet another avian
Bald Eagle (Haliaeetus leucocephalus) Read More »
Columbus readers may be interested to know about the successes that Dick Tuttle is achieving with bluebird nesting trails and other nest boxes in Delaware and Alum Creek State Parks immediately to our north. Owl lovers will be delighted to hear about Eastern Screech Owl nesting, and Dick reports that American Kestrels had a good year. Read on for the details.
2009 Bluebird Trail Production: Delaware and Alum Creek State Parks Read More »
The world is a complicated place. There was a time, after I developed an interest in the outdoors but before my education as a professional biologist, when I thought there was only one kind of crayfish. After all, they all seemed similar; they all looked like crayfish.
Invasive species: Crayfish? Read More »
Occasionally I have been asked whether Rock Pigeons and Canada Geese should be considered “invasive.” After all, they seem to be everywhere: one can see pigeons sitting on every downtown building while geese are fouling lawns or colliding with aircraft.
Invasive Species: Why Not Pigeons and Geese? Read More »
