Posts Tagged ‘digital videography’

The eagle flies on Friday

February 17, 2012

A Bald Eagle (Haliaeetus leucocephalus) spotted during a photowalk along the Mount Vernon Trail, George Washington Memorial Parkway, Fairfax County, Virginia USA. The following movie shows the eagle in flight for approximately 10 seconds, including a few seconds in slow motion.

Editor’s Note: “The eagle flies on Friday” — meaning payday is Friday — is a line from “Stormy Monday,” a blues-rock song on the live double album, At Fillmore East by The Allman Brothers Band.

Tech Tips: The preceding video was shot on Tuesday, 07 February 2012 using my Panasonic Lumix DMC-FZ150 camera. The “raw” AVCHD video was post-processed using Apple “iMovie,” a consumer-grade tool for organizing, editing, and sharing video.

Video Copyright © 2012 Walter Sanford. All rights reserved.

MVUC windmill

November 12, 2011

Tech Tips: Apple “iMovie ’11” features video stabilization to automatically reduce camera shake. Time permitting, I plan to test this feature and post before- and after video clips. Please stay tuned for a follow-up post!

Ruby-throated Hummingbird

October 2, 2011

The following video clips show a Ruby-throated Hummingbird (Archilochus colubris) feeding on Jewelweed flowers (Impatiens capensis). I spotted the small bird during a photowalk through the “Wildlife Sanctuary,” one of seven small parks owned and maintained by the Community Association of Hollin Hills, Fairfax County, Virginia USA.

Although it is difficult to make a positive identification of the bird shown in the videos, it is clearly some type of hummingbird and Ruby-throated Hummingbird is “the only common eastern [USA] hummingbird.” Source Credit: “Peterson Feeder Birds of North America” free app (see Apple iPad 1 screen captures, shown below). “Ruby-throated Hummingbirds feed on the nectar of red or orange tubular flowers such as trumpet creeper [see Trumpet vine flowers and “fruit”], cardinal flower, honeysuckle, jewelweed [shown above], bee-balm, red buckeye and red morning glory, as well as at hummingbird feeders and, sometimes, tree sap.” Source Credit: “Ruby-throated Hummingbird,” The Cornell Lab of Ornithology.



Pop! goes the Jewelweedel, revisited

September 28, 2011

Jewelweed (Impatiens capensis) is also commonly known as “Touch-me-not.” Here are a few more “raw” video clips (unedited) that show what happens when you touch “Touch-me-not” seed pods.

Pop! goes the Jewelweedel

September 26, 2011

Jewelweed (Impatiens capensis) is also commonly known as “Touch-me-not.” The following “raw” video clips (unedited) show what happens when you touch Touch-me-not seed pods.

The following photo gallery shows some Jewelweed seeds after they “exploded” from seed pods. Photo 2 of 3 was annotated to highlight a single seed; Photo 3 of 3 is the original photograph.


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Flying frog attacks dragonfly

July 26, 2011

The following short video clip shows a female Great Blue Skimmer dragonfly (Libellula vibrans) as she oviposits eggs in the wetlands at Huntley Meadows Park, Fairfax County, Virginia USA. A male Great Blue Skimmer dragonfly patrols the area to protect the female from other males.

Question is, did the dragonfly survive the attack by the frog? The following time series of 10 still photos provides the answer.


Watching the second video in real-time, it looks like a close call for the dragonfly — was she safe or out (game over)? Looking at the “instant replay” (i.e., the preceding time series of still photos), it’s clear the frog missed “tagging” the dragonfly by a wide margin. For those of you scoring at home, the box score for the game of life looks like this: Dragonflies 1; Frogs 0.

The following photo gallery features annotated versions of the same time series of 10 still photos: the frog is highlighted in green (when necessary); the dragonfly is highlighted in blue.


So what’s the life lesson learned from witnessing this extraordinary event? From an evolutionary viewpoint (i.e., survival of the fittest), it pays to have compound eyes that see in all directions as well as amazing aerobatic skills!

Tech Tips: Apple “Aperture” was used to save the preceding JPEG photos as still frames from the second video clip (GPS info copied from the video clip metadata to the JPEG photos). Apple “Preview” was used to annotate the second gallery featuring a time series of 10 still photos.

Comma butterfly

July 2, 2011

Small Cabbage White Butterfly on Cabbage Plants

June 10, 2011

On 10 June 2011, I photographed a cluster of 43 Small Cabbage White butterfly eggs on the underside of a cabbage plant leaf. (Yes, I counted them.) In the following gallery, Photo 1 of 2 is a copy of the original photograph, annotated to highlight the egg cluster; Photo 2 of 2 is the original photograph. Apple Preview was used to annotate the photo.


Northern Virginia Photographic Society field trip to Huntley Meadows Park

May 7, 2011

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