TENDING A SECOND BROOD

Male Eastern Bluebird

It’s exciting to report that our pair of Eastern Bluebirds at the edge of the woods behind the house is working on a second brood. The first one in June contained 4 eggs and I saw three of the juveniles in the backyard on June 28th. I read in the book ”Bluebirds!” by Steve Grooms & Dick Peterson that about 65% of the eggs hatch. With other words, counting three fledgelings after they left the nest seems too be a success.

Shortly after the first brood I had cleaned out the nest box but a few days later one of the male House Wrens had filled it with small twigs and sticks to claim it for himself. I cleaned out again and and a couple days later the female bluebird had built another nest from grass and other soft material. About a week ago I checked the nest again and four eggs were laid. This morning another check revealed that five eggs are in the nest box and none had hatched yet. Looking inside takes only a few seconds and I only do it when both parents are not present.

Female Eastern Bluebird

This was a good reason this afternoon to sit in a camping chair away from the box and watch the bluebirds tending their nest. It was quite warm again today and the female retuned to the nest every 15-20 minutes and spent about 1-2 minutes in the nest box. The male bluebird guards the place from nearby trees and sometimes comes to the roof of the box. The incubation of the second brood takes about 13 days and I’m sure we are not far away from having the babies cracking the egg shells.

Nikon Z6 III, Nikon NIKKOR Z 600 f/6.3 VR S, Nikon Z Teleconverter TC-1.4x Induro GIT 404XL tripod, Induro GHB2 gimbal head, Westscott FJ80 II speed light,   @ 840mm (1260 mm equivalent in DX mode), 1/125s, f/9, ISO1600

It was a great opportunity to work with the ”Small Bird Rig” again (see my blog post from June 8th for details on this new setup). The Westcott FJ80II speed light was set to manual mode (range 5) and this very subtle hint of flash reveals the colors beautifully in this ambient light situation with the sun muted by the canopy of the trees.

I have been asked by a photography friend a little while ago about the sharpness of the Z 600 f/6.3 lens combined with the Z 1.4 teleconverter. Well, here is a photo I created today with this combo and also shot in DX mode, means with a smaller part of the sensor. This makes it an equivalent with a focal length of 1260 mm. The photo was shot at 1/125s from a tripod and is not cropped. The low resolution image here in the blog may not reveal every detail but comparing the original RAW files with each other I can’t see any decrease in sharpness by using the teleconverter. This was not always the case with older equipment I used to own.

NATURE CLICKS #612 - COMMON LOON

Common Loon, Beers Lake, Maplewood State Park, Minnesota

During our recent trip to Minnesota Common Loons were present on almost every lake we paddled, mostly one pair, sometimes even two. As you can imagine I made a lot of clicks from the kayak, which is a very unpredictable process. Loons hunt for fish under water and you never know where they will show up again after a dive. Quite often it was further away and the process of a slow approach with the boat starts all over again. Well, and sometimes the loons lift their head out of the water right next to the kayak, too close to make a picture with the long lens. The reflections on the water play also a big role how a photo may turn out. With strong reflections from the sky it is easy to underexpose the image. Last but not least, a sky with an overcast will lead to nothing but gray in the picture. Some people may say, leave the camera at home if you aim for birds in flight or on the water during an overcast… However, I was determined to come back with some reasonable photos of the Common Loon and there were a few moments when things worked out well. What I can’t present is the remarkable call of the loon that sounds beautiful and very loud across the lakes, but I’m sure you can google for it if you like to hear it.

GEAR TALK: TESTING A NEW ”SMALL BIRD RIG”

Ruby-throated Hummingbird, Little Maquoketa Valley, eastern Iowa

I haven’t done a blog post about a piece of gear in a long time, but I designed and built this addition to the wildlife kit and just started testing today. Hummingbirds are the ”ice on the cake” from late April until October and I really love the tiniest of all birds we have here in our woods. Well, today they became my ”test dummies”. There are always new ways to improve photography and the Ruby-throated Hummingbird was a perfect subject to test my new, what I will call ”Small Bird Rig”. Below is a picture of this combination and actually there isn’t that much new in the essential setup. The Nikon Z6III is combined with the Z600 f/6.3 and it is mounted on tripod for this photo. The Westcott FJ80II speed light with dome diffuser attached has been in my arsenal also since awhile. The new part is the flash bracket, designed to fit my already existing equipment. It is very light and allows shooting handheld, on a tripod, or on a monopod. The position of the flash will not change if the camera is turned quickly to portrait orientation or back. Flash works on the inverse square law (remember physics!) and getting it closer to the subject let the light wrap around the birds much better. No, I don’t employ the flash of the FJ80II as the main source of light. The only purpose to use it for small bird photography is to push the colors of their plumage. The light is reflected by the feathers and the colors of the bird become more natural and accentuated under a lush green canopy of the trees or during a day with heavy overcast. Make two pictures, one with and and one without flash of the same scene, and you will be surprised what beautiful difference this can make.

The other change to my previous setup is the use of a Westcott FJ-X3M wireless trigger on top of the camera. This eliminates the cable connection between camera and speed light, which has been often a big limitation for action when out in the field.

Today’s test shots with hummingbirds were all about finding the right settings for camera and speed light. A lot more needs to be done. I know this article is mainly written for my fellow wildlife photography friends and not so much for the visitors that give a dam about the technical part of photography. I hope you still enjoy the photos of this very first test!

NATURE CLICKS #611 - EASTERN PHOEBE

Eastern Phoebe, Maplewood State Park, Minnesota

Eastern Phoebes winter further north than most other flycatchers and they are one of the earliest returning birds after the cold season. Many of the pictures in my library were made in April, some even in the month of March, over the years. Having a pair of phoebes in front of the lens during their breeding time was finally a wonderful experience last month in Maplewood State Park, Minnesota.

I photographed for the first time from a stationary blind, a cabin-like structure above a pond in the woods. While watching the birds on this little lake below the hill was quite interesting, the distance was a bit to long for decent photos. Instead many song birds in the surrounding trees gave me plenty of opportunities for a good shot. The back side of the blind was open and all what I had to do was turning around for the show a pair of Eastern Phoebes gave me during one evening and the next morning. Light, color, and the gestures of these flycatchers made for two great shooting events and it was hard to select a picture for today’s blog post… (I wished I could say that all the time I publish a photo 😉)

CHECKING THE GRASSLANDS

Male Bobolink, Technology Park, Dubuque, Iowa

Hard to believe it has been a month ago that I photographed Bobolinks in the grassland patches at Dubuque’s Technology Park south of the city. Despite the heat and humidity I spent almost an hour in this area yesterday afternoon and saw at least half a dozen male Bobolinks. Most of the time they were too far away for any consideration of a picture but the one I can present today didn’t mind my presence at the edge of the field, came close, and continued feeding in the grass.

Male Red-winged Blackbird

Here in the Midwest of the US most people don’t think too much about the Red-winged Blackbirds because they are here in abundance for most part of the year. The sighting of a blackbird in late winter is often seen as a sure sign that spring is not very far. During the last few years, with its mild winters and a change in climate, I have seen them even in January in certain places here in eastern Iowa. With a bird in abundance it’s easy to forget how pretty these birds really are. They are very adaptable to their environment and any time a strip of grass is available, either along the roads or just like here in the meadows of an urban area, the loud noise of their calls is in the air.

BUSY PURPLE MARTINS

Male Purple Martin, Mississippi River, Mud Lake, Iowa

I still have a few photos from our recent trip to Minnesota but today I like to share some actual pictures that were made yesterday. I had received an information about the current breeding activities of the Purple Martins (Thank you Mike!) and went down to Mud Lake at the Mississippi River. Three days ago both breeding towers had more than 75 eggs and almost 30 nestlings had hatched already. The parents were very busy to feed and to guard each nesting chamber. I believe each tower holds 18 chambers.

Female with her latest catch at the martin house

I have plenty of pictures with martins sitting at the entrance of a nest box but I really wanted some shots with a bird in flight, approaching the nest or just hovering in front of it.

However, the second image shows a female with a dragon fly in its bill and waiting in front of the entrance hole of her nest. It took about four minutes before she turned around and entered the box to feed the offspring.

Female Purple Martin

If you are not familiar with the habits and biology of our largest swallow, you can find a lot of information about these birds on the websites of the CornellLab or the Purple Martin Conservation Association.

https://www.allaboutbirds.org/guide/Purple_Martin/

https://www.purplemartin.org

The Purple Martin is a very interesting bird and it is fun to watch how they catch all their food in flight and get their drinks by scooping water from the surface of the river or pond with their lower bill.

NATURE CLICKS #610 - RED-NECKED GREBE (FIRST SIGHTING)

A pair of Red-necked Grebes with two juveniles, Star Lake, Ottertail County, Minnesota

Remember, in my last blog post I mentioned a ”few surprising moments” during our last paddle trip in Minnesota a week ago. Here is the second one. When I came slowly around a bend in the canal between the reeds into a little more open space, I immediately recognized a bird species I had never seen before, a pair of Red-necked Grebes with two juveniles. While some of the clicks I made just a few seconds earlier showed the young one behind the adult on the left, this photo reveals that the chick had jumped onto the back of the parent and took shelter in moms or dads plumage while the family moved out of sight. As you may imagine I was tickled about having a first sighting in such a nice way! Yes, the light was very harsh but having this special moment out in the wild, and in addition a second lifer this year, matters more than a perfect photo to me.

Nikon Z6 III, Nikon NIKKOR Z 600 f/6.3 VR S,    @ 600 mm, 1/1600 s, f/7.1, ISO 400, image slightly cropped

NATURE CLICKS #609 - YELLOW-HEADED BLACKBIRD

Yellow-headed Blackbird, Star Lake, Ottertail County, Minnesota

The last kayak trip of our little Minnesota adventure had some wonderful surprising moments. We wanted to explore a new body of water outside of the state park and paddled Star Lake in Ottertail County, one of the larger lakes around. But size doesn’t matter, the water was crystal clear as at any smaller lake we paddled before. First it was not really exciting because homes and cabins along the lake shore didn’t leave much space for natural habitats. It wasn’t until we went deep into a big field of reeds and cattails on the other side of the bay when the fun of bird watching started. The call of a male Yellow-headed Blackbird is slightly different than the omnipresent Red-winged Blackbird (they were of course present as well) and before we even reached the reeds, we knew they were in there somewhere.

Today’s photo is the result of patience and quite a few paddle maneuvers for a view without too much obstruction by the reeds. It has been a long time that I had this beautiful bird in front of the lens and I was thrilled to see and finally photograph them again.

Nikon Z6 III, Nikon NIKKOR Z 600 f/6.3 VR S,    @ 600 mm, 1/1250 s, f/6.3, ISO 400, image slightly cropped

SEEING THEM IS THE CHALLENGE

Yellow Warbler, Southern Lida Lake, Maplewood State Park, Minnesota

Unfortunately I do not always have enough battery charge on my computer to work on photos and write something for the blog. However, birds, trees, and flowers. are abundant here in Maplewood State Park, Minnesota. We make a kayak trip every day and enjoy this very quiet and beautiful nature place.

We have never heard so many different warblers around our campsite and along the shore of the lakes before. Seeing them is a different story, they know how to hide under the lush canopy of the trees.

This Yellow Warbler was visible for a few seconds and I tried to catch it with the camera from the kayak.

A SYMBOL OF THE NORTHWOODS

Common Loon, Beers Lake, Maplewood State Park, Minnesota

Two fantastic paddle trips are already behind us . We had great opportunities to watch and listen to birds, often in our campsite, were we use the Merlin App to identify them even if we can’t see the birds high up in the canopy of the trees. On the water I’m always thrilled to see the Common Loons, the Minnesota state bird, and we saw them and heard their distinctive calls on almost every lake so far. I have been in Norway, Sweden, and Finland many times and it is easy to understand why so many Scandinavians have settled in Minnesota after they came over to America years ago. The glacier shaped landscapes with thousands of lakes and dense forests are very similar in many parts of the country and the settlers must have felt right at home.

I have been brave despite Beers Lake was a little choppy yesterday and took the camera and long lens with me in the kayak. Well, I forgot to take the teleconverter off but that turned out not to be a bad thing with and 840 mm focal length allowed to fill the frame quite often with the beautiful Common Loons.

Nikon Z6 III, Nikon NIKKOR Z 600 f/6.3 VR S, Nikon Z Teleconverter TC-1.4x…@ 840mm, 1/1250s, f/9, ISO 1000

TALKING ABOUT THE ”CUTENESS FACTOR”

Double-crested Cormorant, Mississippi Valley, Green Island Wetlands, Eastern Iowa

Let me start with some thoughts before I come to today’s image. In the Dubuque Camera Club we participate in monthly competitions with other camera clubs in different categories with our photos each month. We also have the duty of judging a competition quite often. In the month of May it was for the ”Nature” category, means wildlife, flowers, or anything else that falls under the umbrella of nature. This is all good and helps many beginners and advanced camera owners to become better photographers.

Over the years, since I’m a member of the club, I made an observation that still keeps me wondering. Nobody can win a competition if the subject doesn’t have a certain ”cuteness factor”. For example, if you post a real blurry photo of a cat (I mean house cats, lions, tigers, you name it…), not even very well composed, and as boring as a piece of wood in the bright sun, sometimes it still may be judged higher than a tack sharp, well composed, and properly exposed picture of a beautiful snake. It doesn’t matter anymore if the story a photo can tell is good, when the ”cuteness factor” kicks against it. I understand, it’s all subjective and the three judges never have an easy job to find a fair winner. It just still amazes me what role the ”cuteness factor” can play how we can feel about a photo.

So, here we have a Double-crested Cormorant and I know this bird is considered by some people as ugly. I guess the ”cuteness factor” may be ”a bit” less than i.e. for the Great Egrets I posted yesterday. However, this very adaptable bird is an elegant diver, swimmer, and flyer an I personally think they just look great. Due to their black plumage, making a well exposed photo is often a challenge.

The Double-crested Cormorants have a home in the Green Island Wetlands during the season with open water and they are abundant. I see them quite often, but making a photo without cropping the picture to death seems to be not so easy. It was the first time this very skittish bird was within the range of the lens and in decent light. I admit, the ”cuteness factor” doesn’t play a role in my wildlife photography. All animals need our utmost attention for their protection in their still shrinking habitats.

Nikon Z6 III, Nikon NIKKOR Z 600 f/6.3 VR S, Nikon Z Teleconverter TC-1.4x

DIFFERENT PREY

Great Egret, Upper Mississippi Valley, Green Island Wetlands, Iowa

The Great Egrets in the Green Island Wetlands have no problems to find and catch food at this time of the year. The metamorphosis from a tadpole to a frog was not yet completed for the prey the egret had in its bill, but I can see the legs of the frog already in a different photo of this shooting sequence.

Tadpoles or frogs were not the only items the Great Egrets had on their menu this afternoon. Another one caught a young Northern Pike and gobbled it down into its throat within a few seconds. The interesting thing to observe was the behavior of the egret after it had the fish in its beak. The Great Egret was smart enough to know that it can loose the pike during the attempt to swallow it and the bird just jumped onto the shore where it could pick up the fish again if the prey was accidentally dropped.

Nikon Z6 III, Nikon NIKKOR Z 600 f/6.3 VR S, Nikon Z Teleconverter TC-1.4x

SCOUTED A NEW LOCATION

Dickcissel, Driftless Area National Wildlife Refuge, Pine Creek Unit

I got this tip from Mike, a gentleman I met last week at Mud Lake below the two nesting towers that are provided for Purple Martins. It turned out that he monitors not just these two towers, but some more at other locations in the area. Pretty soon we had a very good conversation about birds and nature habitats. Mike told me about the Pine Creek Unit of the Driftless Area National Wildlife Refuge and mentioned it as a good birding location. This area is located near Colesburg, Iowa, actually not very far from here, but I didn’t know about it. Thank you again Mike!

Orchard Oriole, male in its 1st summer

Well, yesterday I checked part of it out and although I spent only an hour and a half in this habitat with grassland, brush thicket, and forest, I had quite a few bird encounters and came back even with some photos. Be forewarned, there are not really any trails or roads in this area and I would recommend hiking boots and a good look at the map by the kiosk in the small parking lot at the end of the road.

American Tree Sparrow, this was a surprise for me since I have never seen them here except during winter time. Their breeding grounds are in Alaska and northern Canada.

NATURE CLICKS #607 - EASTERN MEADOW VOLE

Eastern Meadow Vole, Mud Lake Park, Mississippi River, Eastern Iowa

They look like a mini beaver without a flat tail with their thick fur, but this one was just the size of my fist. They are pretty common but still not seen very often by many people.

I was actually out for a certain bird species in the Mud Lake area along the Mississippi River but didn’t get the shots I had in mind. While walking on a new trail through an area of prairie vegetation that has been planted by the Dubuque County Conservation Board only a few years ago, I discovered this Meadow Vole. It didn’t seem to be bothered by me at all and continued chewing on fresh grass stems while I just walked by. The photo could have been made with any of my lenses but I had only the Nikkor Z600 , f/6.3 with me during this little exploration hike. For a picture like this the minimum focal distance of this lens of about 4 meters can become a disadvantage. It’s not difficult to get a sharp image, but I had to step back and at the end had to crop the photo to get you this intimate environmental portrait of this small critter.

MANY NESTING ACTIVITIES

Eastern Bluebird. The male observes the neighborhood in a nearby tree before he brings food to the nestlings.

There is a lot going on in the woods and the nest boxes around here. Hard to follow it all with equal attention.

The Eastern Bluebirds in the nest box have hatched a few days ago. I had a brief look into the box but wasn’t able to see how many nestlings came out of the five eggs because the nest is very deep. Time will tell. Both parents are feeding vigorously and bring caterpillars, spiders, little worms, and moths to their offspring every few minutes. I saw the male still catching insects tonight at 8:45PM . It’s a hungry bunch!

Female American Robin preparing a new nest

Yesterday a female American Robin was building a new nest in a tree just across from my office window. It might be even on top of a first nest that most likely was built at the end of April already. With other words, they work on the second brood already. The female collected very quickly dried grass and other plant material and glued it together with wet dirt from underneath a bird bath. After dropping the grass in the nest the robin rigged it with her feet and it looked like she was trampling it in place. The male watched the surrounding area and chased everyone away that came close to the nest. I saw him a couple times going after the bluebird.

Male House Wren inspecting a nest box.

The tiny male House Wren still sings his heart out to attract a female to one of the nest boxes we provide for them since many years. Once in a while he inspects one of the nesting chambers and the photo was made when he came out of the hole. As I said before, hard to follow all nesting activities at this time of the year…

All images: Nikon Z6 III, Nikon NIKKOR Z 600 f/6.3 VR S, Nikon Z Teleconverter TC-1.4x, Induro GIT 404XL tripod, Induro GHB2 gimbal head,   @ 840mm,